Professor Changquan Sun
University of Minnesota
Professor, Materials Science
United States
My co-authors include
Dr Srinivasulu Aitipamula
Dr Andrew D. Bond
Dr Eric Breynaert
Find me at
My Publications
Direct compression tablet formulation of celecoxib enabled with a pharmaceutical solvate
International Journal of Pharmaceutics
March 2021
How Does the Dissimilarity of Screw Geometry Impact Twin-screw Melt Granulation?
European Journal of Pharmaceutical Sciences
February 2021
Low-dose salinomycin inhibits breast cancer metastasis by repolarizing tumor hijacked m...
European Journal of Pharmaceutical Sciences
February 2021
Modulation of the powder properties of lamotrigine by crystal forms
International Journal of Pharmaceutics
February 2021
Structural Origins of Elastic and 2D Plastic Flexibility of Molecular Crystals Investig...
Chemistry of Materials
January 2021
Sweet Sulfamethazine Acesulfamate Crystals with Improved Compaction Property
Crystal Growth & Design
January 2021
The impact of solid-state form, water content and surface area of magnesium stearate on...
Pharmaceutical Development and Technology
December 2020
Tabletability Flip – Role of Bonding Area and Bonding Strength Interplay
Journal of Pharmaceutical Sciences
December 2020
Structural Insights into the Distinct Solid-State Properties and Interconversion of Cel...
Crystal Growth & Design
November 2020
Discovery, Characterization, and Pharmaceutical Applications of Two Loratadine–Oxalic A...
Crystals
November 2020
The efficient development of a sildenafil orally disintegrating tablet using a material...
International Journal of Pharmaceutics
November 2020
Development of piroxicam mini-tablets enabled by spherical cocrystallization
International Journal of Pharmaceutics
November 2020
Profound tabletability deterioration of microcrystalline cellulose by magnesium stearate
International Journal of Pharmaceutics
November 2020
Novel Quasi-Emulsion Solvent Diffusion-Based Spherical Cocrystallization Strategy for S...
Crystal Growth & Design
August 2020
Effect of Hydroxypropyl Cellulose Level on Twin-Screw Melt Granulation of Acetaminophen
AAPS PharmSciTech
August 2020
Material-Sparing and Expedited Development of a Tablet Formulation of Carbamazepine Glu...
Pharmaceutical Research
July 2020
A microcrystalline cellulose based drug-composite formulation strategy for developing l...
International Journal of Pharmaceutics
July 2020
Molecular Origin of the Distinct Tabletability of Loratadine and Desloratadine: Role of...
Pharmaceutical Research
June 2020
Intermolecular interactions and disorder in six isostructural celecoxib solvates
Acta Crystallographica Section C Structural Chemistry
June 2020
Mitigating Punch Sticking Propensity of Celecoxib by Cocrystallization: An Integrated C...
Crystal Growth & Design
June 2020
Conformation Directed Interaction Anisotropy Leading to Distinct Bending Behaviors of T...
Crystal Growth & Design
June 2020
Recent Advances in Co-processed APIs and Proposals for Enabling Commercialization of Th...
Molecular Pharmaceutics
May 2020
Reduction of Punch-Sticking Propensity of Celecoxib by Spherical Crystallization via Po...
Molecular Pharmaceutics
March 2020
Toward a Molecular Understanding of the Impact of Crystal Size and Shape on Punch Sticking
Molecular Pharmaceutics
March 2020
Simultaneous taste-masking and oral bioavailability enhancement of Ligustrazine by form...
International Journal of Pharmaceutics
March 2020
Extended Release of Highly Water Soluble Isoniazid Attained through Cocrystallization w...
Crystal Growth & Design
February 2020
Reducing the Sublimation Tendency of Ligustrazine through Salt Formation
Crystal Growth & Design
February 2020
The role of the screw profile on granular structure and mixing efficiency of a high-dos...
International Journal of Pharmaceutics
February 2020
A systematic evaluation of poloxamers as tablet lubricants
International Journal of Pharmaceutics
February 2020
Interfacial bonding in formulated bilayer tablets
European Journal of Pharmaceutics and Biopharmaceutics
February 2020
A material-saving and robust approach for obtaining accurate out-of-die powder compress...
Powder Technology
February 2020
Molecular Interpretation of Mechanical Behavior in Four Basic Crystal Packing of Isonia...
Crystal Growth & Design
January 2020
Microstructures and pharmaceutical properties of ferulic acid agglomerates prepared by ...
International Journal of Pharmaceutics
January 2020
Expedited Investigation of Powder Caking Aided by Rapid 3D Prototyping of Testing Devices
Journal of Pharmaceutical Sciences
January 2020
The landscape of mechanical properties of molecular crystals
CrystEngComm
January 2020
Workshop Report: USP Workshop on Advancements in In Vitro Performance Testing of Drug P...
Dissolution Technologies
January 2020
Crystallographic and Energetic Insights into Reduced Dissolution and Physical Stability...
Molecular Pharmaceutics
December 2019
Molecular Interpretation of the Compaction Performance and Mechanical Properties of Caf...
Molecular Pharmaceutics
December 2019
Improving Powder Characteristics by Surface Modification Using Atomic Layer Deposition
Organic Process Research & Development
November 2019
Correction to Fast Determination of Phase Stability of Hydrates Using Intrinsic Dissolu...
Crystal Growth & Design
November 2019
Effect of particle size on interfacial bonding strength of bilayer tablets
Powder Technology
November 2019
Structural Features of Sulfamethizole and Its Cocrystals: Beauty Within
Crystal Growth & Design
October 2019
Fast Determination of Phase Stability of Hydrates Using Intrinsic Dissolution Rate Meas...
Crystal Growth & Design
September 2019
Insights into the effect of compaction pressure and material properties on interfacial ...
Powder Technology
September 2019
Relationship between hydrate stability and accuracy of true density measured by helium ...
International Journal of Pharmaceutics
August 2019
Minimum Interfacial Bonding Strength for Bilayer Tablets Determined Using a Survival Test
Pharmaceutical Research
July 2019
Correction to Crystal Growth of Celecoxib from Amorphous State: Polymorphism, Growth Me...
Crystal Growth & Design
July 2019
Single-Crystal Plasticity Defies Bulk-Phase Mechanics in Isoniazid Cocrystals with Anal...
Crystal Growth & Design
July 2019
Tableting performance of various mannitol and lactose grades assessed by compaction sim...
International Journal of Pharmaceutics
July 2019
Crystal growth of celecoxib from amorphous state – polymorphism, growth mechanism, and ...
Crystal Growth & Design
May 2019
Reduced Punch Sticking Propensity of Acesulfame by Salt Formation: Role of Crystal Mech...
Molecular Pharmaceutics
April 2019
Twistable Pharmaceutical Crystal Exhibiting Exceptional Plasticity and Tabletability
Chemistry of Materials
April 2019
Expedited Tablet Formulation Development of a Highly Soluble Carbamazepine Cocrystal En...
Pharmaceutical Research
April 2019
Effect of screw profile and processing conditions on physical transformation and chemic...
European Journal of Pharmaceutical Sciences
April 2019
Direct Compression Tablet Containing 99% Active Ingredient—A Tale of Spherical Crystall...
Journal of Pharmaceutical Sciences
April 2019
Cocrystal Engineering of Itraconazole with Suberic Acid via Rotary Evaporation and Spra...
Crystal Growth & Design
April 2019
Computational Techniques for Predicting Mechanical Properties of Organic Crystals: A Sy...
Molecular Pharmaceutics
March 2019
Profoundly Improved Plasticity and Tabletability of Griseofulvin by in Situ Solvation a...
Crystal Growth & Design
March 2019
Spherical Cocrystallization—An Enabling Technology for the Development of High Dose Dir...
Crystal Growth & Design
March 2019
Effects of thermal binders on chemical stabilities and tabletability of gabapentin gran...
International Journal of Pharmaceutics
March 2019
Effects of Water on Powder Flowability of Diverse Powders Assessed by Complimentary Tec...
Journal of Pharmaceutical Sciences
March 2019
Exceptionally Elastic Single-Component Pharmaceutical Crystals
Chemistry of Materials
February 2019
Developing Biologics Tablets: The Effects of Compression on the Structure and Stability...
Molecular Pharmaceutics
February 2019
Polymer Nanocoating of Amorphous Drugs for Improving Stability, Dissolution, Powder Flo...
Molecular Pharmaceutics
February 2019
Robust bulk preparation and characterization of sulfamethazine and saccharine salt and ...
CrystEngComm
January 2019
A platform direct compression formulation for low dose sustained-release tablets enable...
Powder Technology
January 2019
Improving solid-state properties of berberine chloride through forming a salt cocrystal...
International Journal of Pharmaceutics
January 2019
Mechanism for the Reduced Dissolution of Ritonavir Tablets by Sodium Lauryl Sulfate
Journal of Pharmaceutical Sciences
January 2019
Proportionality between powder cohesion and unconfined yield strength from shear cell t...
Heliyon
January 2019
Cubosomes with surface cross-linked chitosan exhibit sustained release and bioavailabil...
RSC Advances
January 2019
Structures and Properties of Granules Prepared By High Shear Wet Granulation
January 2019
A systematic evaluation of dual functionality of sodium lauryl sulfate as a tablet lubr...
International Journal of Pharmaceutics
December 2018
Mechanical Properties
September 2018
Cocrystallization of Curcumin with Benzenediols and Benzenetriols via Rapid Solvent Rem...
Crystal Growth & Design
August 2018
Preparation, Characterization, and Formulation Development of Drug–Drug Protic Ionic Li...
Molecular Pharmaceutics
August 2018
Ribbon density and milling parameters that determine fines fraction in a dry granulation
Powder Technology
July 2018
Comparative analyses of flow and compaction properties of diverse mannitol and lactose ...
International Journal of Pharmaceutics
July 2018
Anion Exchange Reaction for Preparing Acesulfame Solid Forms
Crystal Growth & Design
June 2018
Relating the tableting behavior of piroxicam polytypes to their crystal structures usin...
International Journal of Pharmaceutics
May 2018
Systematic evaluation of common lubricants for optimal use in tablet formulation
European Journal of Pharmaceutical Sciences
May 2018
The relationship among tensile strength, Young's modulus, and indentation hardness of p...
Powder Technology
May 2018
Crystal and Particle Engineering Strategies for Improving Powder Compression and Flow P...
April 2018
Modulating Sticking Propensity of Pharmaceuticals Through Excipient Selection in a Dire...
Pharmaceutical Research
March 2018
A mesoporous silica based platform to enable tablet formulations of low dose drugs by d...
International Journal of Pharmaceutics
March 2018
Identifying Slip Planes in Organic Polymorphs by Combined Energy Framework Calculations...
Crystal Growth & Design
February 2018
Reduced interface spin polarization by antiferromagnetically coupled Mn segregated to t...
January 2018
Lack of dependence of mechanical properties of baicalein cocrystals on those of the con...
CrystEngComm
January 2018
Subsurface nucleation of supercooled acetaminophen
CrystEngComm
January 2018
Improving Dissolution Rate of Carbamazepine-Glutaric Acid Cocrystal Through Solubilizat...
Pharmaceutical Research
December 2017
Relationships among Crystal Structures, Mechanical Properties, and Tableting Performanc...
Crystal Growth & Design
October 2017
Dependence of Friability on Tablet Mechanical Properties and a Predictive Approach for ...
Pharmaceutical Research
October 2017
Expedited development of a high dose orally disintegrating metformin tablet enabled by ...
International Journal of Pharmaceutics
October 2017
The suitability of common compressibility equations for characterizing plasticity of di...
International Journal of Pharmaceutics
October 2017
Tablets of multi-unit pellet system for controlled drug delivery
Journal of Controlled Release
September 2017
Expedited Development of Diphenhydramine Orally Disintegrating Tablet through Integrate...
Molecular Pharmaceutics
August 2017
Ribbon thickness influences fine generation during dry granulation
International Journal of Pharmaceutics
August 2017
Dependence of Punch Sticking on Compaction Pressure—Roles of Particle Deformability and...
August 2017
Particle Engineering for Enabling a Formulation Platform Suitable for Manufacturing Low...
July 2017
Dapagliflozin-citric acid cocrystal showing better solid state properties than dapaglif...
European Journal of Pharmaceutical Sciences
June 2017
Superior Plasticity and Tabletability of Theophylline Monohydrate
Molecular Pharmaceutics
May 2017
Gaining insight into tablet capping tendency from compaction simulation
International Journal of Pharmaceutics
May 2017
Tensile and shear methods for measuring strength of bilayer tablets
International Journal of Pharmaceutics
May 2017
Powder properties and compaction parameters that influence punch sticking propensity of...
International Journal of Pharmaceutics
April 2017
Lubrication with magnesium stearate increases tablet brittleness
Powder Technology
March 2017
A top coating strategy with highly bonding polymers to enable direct tableting of multi...
Powder Technology
January 2017
Mechanical Properties and Tableting Behavior of Amorphous Solid Dispersions
January 2017
Mechanism and Kinetics of Punch Sticking of Pharmaceuticals
January 2017
Preparation of slab-shaped lactose carrier particles for dry powder inhalers by air jet...
Asian Journal of Pharmaceutical Sciences
January 2017
Self-templating accelerates precipitation of carbamazepine dihydrate during the dissolu...
CrystEngComm
January 2017
The phenomenon of tablet flashing — Its impact on tableting data analysis and a method ...
Powder Technology
January 2017
Harvesting Potential Dissolution Advantages of Soluble Cocrystals by Depressing Precipi...
Crystal Growth & Design
October 2016
Process optimization of dry granulation based tableting line: Extracting physical mater...
Powder Technology
October 2016
Analytical method development for powder characterization: Visualization of the critica...
Journal of Pharmaceutical and Biomedical Analysis
September 2016
Solid-state characterization of optically pure (+)Dihydromyricetin extracted from Ampe...
International Journal of Pharmaceutics
September 2016
Enhancing Bioavailability of Dihydromyricetin through Inhibiting Precipitation of Solub...
Crystal Growth & Design
August 2016
A classification system for tableting behaviors of binary powder mixtures
Asian Journal of Pharmaceutical Sciences
August 2016
Microstructure of Tablet—Pharmaceutical Significance, Assessment, and Engineering
Pharmaceutical Research
July 2016
Resveratrol cocrystals with enhanced solubility and tabletability
International Journal of Pharmaceutics
July 2016
Macroindentation hardness measurement—Modernization and applications
International Journal of Pharmaceutics
June 2016
Enabling the Tablet Product Development of 5-Fluorocytosine by Conjugate Acid Base Cocr...
June 2016
Mini review: Mechanisms to the loss of tabletability by dry granulation
European Journal of Pharmaceutics and Biopharmaceutics
April 2016
Sweet Berberine
Crystal Growth & Design
February 2016
Quantifying effects of moisture content on flow properties of microcrystalline cellulos...
Powder Technology
February 2016
A critical Examination of the Phenomenon of Bonding Area - Bonding Strength Interplay i...
Pharmaceutical Research
January 2016
From molecular salt to pseudo CAB cocrystal: Expanding solid-state landscape of carboxy...
Journal of Molecular Structure
November 2015
The development of carbamazepine-succinic acid cocrystal tablet formulations with impro...
Drug Development and Industrial Pharmacy
October 2015
Dependence of tablet brittleness on tensile strength and porosity
International Journal of Pharmaceutics
September 2015
Tabletability Modulation Through Surface Engineering
Journal of Pharmaceutical Sciences
August 2015
Development of highly stabilized curcumin nanoparticles by flash nanoprecipitation and ...
European Journal of Pharmaceutics and Biopharmaceutics
August 2015
Dependence of ejection force on tableting speed—A compaction simulation study
Powder Technology
July 2015
A new tablet brittleness index
European Journal of Pharmaceutics and Biopharmaceutics
June 2015
Near-infrared chemical imaging (NIR-CI) as a process monitoring solution for a producti...
European Journal of Pharmaceutics and Biopharmaceutics
June 2015
Validation and applications of an expedited tablet friability method
International Journal of Pharmaceutics
April 2015
Correlation Among Crystal Structure, Mechanical Behavior, and Tabletability in the Co-C...
Crystal Growth & Design
April 2015
Designing Micellar Nanocarriers with Improved Drug Loading and Stability Based on Solub...
Molecular Pharmaceutics
March 2015
Significant Expansion of the Solid State Landscape of Salicylic Acid Based on Charge-As...
Crystal Growth & Design
January 2015
Solvent and additive interactions as determinants in the nucleation pathway: general di...
Faraday Discussions
January 2015
Nucleation in complex multi-component and multi-phase systems: general discussion
Faraday Discussions
January 2015
Effect of Heating Rate and Kinetic Model Selection on Activation Energy of Nonisotherma...
Journal of Pharmaceutical Sciences
December 2014
Kinetic Entrapment of a Hidden Curcumin Cocrystal with Phloroglucinol
Crystal Growth & Design
October 2014
Effect of Crystal Habit on Intrinsic Dissolution Behavior of Celecoxib Due to Different...
Crystal Growth & Design
October 2014
Assessment of the relative performance of a confined impinging jets mixer and a multi-i...
European Journal of Pharmaceutics and Biopharmaceutics
October 2014
Design and Preparation of a 4:1 Lamivudine–Oxalic Acid CAB Cocrystal for Improving the ...
Crystal Growth & Design
August 2014
Origin of Deteriorated Crystal Plasticity and Compaction Properties of a 1:1 Cocrystal ...
Crystal Growth & Design
August 2014
A Formulation Strategy for Solving the Overgranulation Problem in High Shear Wet Granul...
Journal of Pharmaceutical Sciences
August 2014
Enabling Tablet Product Development of 5-Fluorocytosine Through Integrated Crystal and ...
Journal of Pharmaceutical Sciences
April 2014
Evolution of Structure and Properties of Granules Containing Microcrystalline Cellulose...
Journal of Pharmaceutical Sciences
January 2014
Improving manufacturability of an ibuprofen powder blend by surface coating with silica...
Powder Technology
November 2013
Impact of Crystal Habit on Biopharmaceutical Performance of Celecoxib
Crystal Growth & Design
July 2013
Design, Synthesis, and Characterization of New 5-Fluorocytosine Salts
Molecular Pharmaceutics
June 2013
Enabling direct compression of formulated Danshen powder by surface engineering
Powder Technology
June 2013
A Pitfall in Analyzing Powder Compatibility Data Using Nonlinear Regression
Journal of Pharmaceutical Sciences
March 2013
Protonation of Cytosine: Cytosinium vs Hemicytosinium Duplexes
Crystal Growth & Design
February 2013
Synthon preference in O-protonated amide crystals – dominance of short strong hydrogen ...
CrystEngComm
January 2013
Improved solid-state stability of salts by cocrystallization between conjugate acid–bas...
CrystEngComm
January 2013
Cocrystallization for successful drug delivery
Expert Opinion on Drug Delivery
December 2012
Preparation and Characterization of Surface-Engineered Coarse Microcrystalline Cellulos...
Journal of Pharmaceutical Sciences
November 2012
Correction for Polymorphs, Salts and Cocrystals: What’s in a Name?
Crystal Growth & Design
August 2012
Probing Interfaces between Pharmaceutical Crystals and Polymers by Neutron Reflectometry
Molecular Pharmaceutics
July 2012
Polymorphs, Salts, and Cocrystals: What’s in a Name?
Crystal Growth & Design
May 2012
Do not confuse hydrogen chloride with hydrochloric acid!
Chemistry - A European Journal
April 2012
Simultaneously Improving the Mechanical Properties, Dissolution Performance, and Hygros...
Pharmaceutical Research
February 2012
Ionized form of acetaminophen with improved compaction properties
CrystEngComm
January 2012
Design and synthesis of solid state structures with conjugate acid–base pair interactions
CrystEngComm
January 2012
Direct correlation among crystal structure, mechanical behaviour and tabletability in a...
CrystEngComm
January 2012
Origin of Two Modes of Non-isothermal Crystallization of Glasses Produced by Milling
Pharmaceutical Research
December 2011
Profoundly improving flow properties of a cohesive cellulose powder by surface coating ...
Journal of Pharmaceutical Sciences
November 2011
Reproducibility of flow properties of microcrystalline cellulose — Avicel PH102
Powder Technology
September 2011
Initial moisture content in raw material can profoundly influence high shear wet granul...
International Journal of Pharmaceutics
September 2011
Overcoming Poor Tabletability of Pharmaceutical Crystals by Surface Modification
Pharmaceutical Research
June 2011
Massing in high shear wet granulation can simultaneously improve powder flow and deteri...
European Journal of Pharmaceutical Sciences
May 2011
Origin of profound changes in powder properties during wetting and nucleation stages of...
Powder Technology
April 2011
Understanding Size Enlargement and Hardening of Granules on Tabletability of Unlubricat...
Journal of Pharmaceutical Sciences
February 2011
Decoding Powder Tabletability: Roles of Particle Adhesion and Plasticity
Journal of Adhesion Science and Technology
January 2011
The Manufacture of Low-Dose Oral Solid Dosage Form to Support Early Clinical Studies Us...
AAPS PharmSciTech
December 2010
Transforming Powder Mechanical Properties by Core/Shell Structure: Compressible Sand
Journal of Pharmaceutical Sciences
November 2010
Roles of Granule Size in Over-Granulation During High Shear Wet Granulation
Journal of Pharmaceutical Sciences
August 2010
Setting the bar for powder flow properties in successful high speed tableting
Powder Technology
July 2010
Understanding the relationship between crystal structure, plasticity and compaction beh...
CrystEngComm
January 2010
Characterization of thermal behavior of deep eutectic solvents and their potential as d...
International Journal of Pharmaceutics
August 2009
Improving Powder Flow Properties of Citric Acid by Crystal Hydration
Journal of Pharmaceutical Sciences
May 2009
Materials Science Tetrahedron—A Useful Tool for Pharmaceutical Research and Development
Journal of Pharmaceutical Sciences
May 2009
Development of a high drug load tablet formulation based on assessment of powder manufa...
Journal of Pharmaceutical Sciences
January 2009
Quantifying Effects of Particulate Properties on Powder Flow Properties Using a Ring Sh...
Journal of Pharmaceutical Sciences
September 2008
On the Identification of Slip Planes in Organic Crystals Based on Attachment Energy Cal...
Journal of Pharmaceutical Sciences
August 2008
Improving Mechanical Properties of Caffeine and Methyl Gallate Crystals by Cocrystalliz...
Crystal Growth & Design
May 2008
Mechanism of moisture induced variations in true density and compaction properties of m...
International Journal of Pharmaceutics
January 2008
On the mechanism of reduced tabletability of granules prepared by roller compaction
International Journal of Pharmaceutics
January 2008
Influence of crystal structure on the tableting properties of n‐alkyl 4‐hydroxybenzoate...
Journal of Pharmaceutical Sciences
December 2007
Thermal Expansion of Organic Crystals and Precision of Calculated Crystal Density: A Su...
Journal of Pharmaceutical Sciences
May 2007
Insensitivity of Compaction Properties of Brittle Granules to Size Enlargement by Rolle...
Journal of Pharmaceutical Sciences
May 2007
A material-sparing method for simultaneous determination of true density and powder com...
International Journal of Pharmaceutics
December 2006
Solid-state properties and crystallization behavior of PHA-739521 polymorphs
International Journal of Pharmaceutics
August 2006
Reduced tabletability of roller compacted granules as a result of granule size enlargement
Journal of Pharmaceutical Sciences
January 2006
True Density of Microcrystalline Cellulose
Journal of Pharmaceutical Sciences
October 2005
A Study of Sulfamerazine Single Crystals Using Atomic Force Microscopy, Transmission Li...
Journal of Pharmaceutical Sciences
September 2005
Quantifying Errors in Tableting Data Analysis Using the Ryshkewitch Equation Due to Ina...
Journal of Pharmaceutical Sciences
September 2005
Evaluation of the effects of tableting speed on the relationships between compaction pr...
Journal of Pharmaceutical Sciences
March 2005
A Novel Method for Deriving True Density of Pharmaceutical Solids Including Hydrates an...
Journal of Pharmaceutical Sciences
March 2004
Improved Tableting Properties of p-Hydroxybenzoic Acid by Water of Crystallization: A M...
Pharmaceutical Research
February 2004
Theophylline monohydrate
Acta Crystallographica Section E Structure Reports Online
March 2002
Influence of Crystal Shape on the Tableting Performance of L‐Lysine Monohydrochloride D...
Journal of Pharmaceutical Sciences
May 2001
Influence of crystal shape on the tableting performance of L‐lysine monohydrochloride d...
Journal of Pharmaceutical Sciences
May 2001
Influence of crystal shape on the tableting performance of L-lysine monohydrochloride d...
Journal of Pharmaceutical Sciences
May 2001
Effects of initial particle size on the tableting properties of l-lysine monohydrochlor...
International Journal of Pharmaceutics
March 2001
Influence of Elastic Deformation of Particles on Heckel Analysis
Pharmaceutical Development and Technology
January 2001
January 2001
January 2001
