All Stories

  1. Concavity of the maximal expiratory flow-volume curve and incidence of COPD and respiratory symptoms: a population-based cohort study

    Article • ERJ Open Research, July 2025, European Respiratory Society (ERS)

    David Johns

  2. Prevalence and characteristics of adults with preserved ratio impaired spirometry (PRISm): Data from the BOLD Australia study

    Article • Chronic Respiratory Disease, January 2025, SAGE Publications

    David Johns

  3. Can We Use Lung Function Thresholds and Respiratory Symptoms to Identify Pre-Chronic Obstructive Pulmonary Disease? A Prospective, Population-based Cohort Study

    Article • American Review of Respiratory Disease, June 2024, American Thoracic Society

    David Johns

  4. COPD in Never-Smokers: BOLD Australia Study

    Article • International Journal of Chronic Obstructive Pulmonary Disease, January 2024, Taylor & Francis

    David Johns

  5. Risk factors and clinical characteristics of breathlessness in Australian adults: Data from the BOLD Australia study

    Article • Chronic Respiratory Disease, December 2023, SAGE Publications

    David Johns

  6. Respiratory Symptoms, Disease Burden, and Quality of Life in Australian Adults According to GOLD Spirometry Grades: Data from the BOLD Australia Study

    Article • International Journal of Chronic Obstructive Pulmonary Disease, November 2023, Taylor & Francis

    David Johns

  7. Clinical characteristics of adults with self-reported diagnosed asthma and/or COPD: data from the BOLD Australia Study

    Article • ERJ Open Research, June 2023, European Respiratory Society (ERS)

    David Johns

  8. Lifetime spirometry patterns of obstruction and restriction, and their risk factors and outcomes: a prospective cohort study

    Article • The Lancet Respiratory Medicine, March 2023, Elsevier

    Dr Chamara Visanka Senaratna, David Johns

  9. Small for gestational age is associated with reduced lung function in middle age: A prospective study from first to fifth decade of life

    Article • Respirology, October 2022, Wiley

    David Johns

  10. Relationship between concavity of the flow-volume loop and small airway measures in smokers with normal spirometry

    Article • BMC Pulmonary Medicine, May 2022, Springer Science + Business Media

    David Johns

  11. Association between very to moderate preterm births, lung function deficits, and COPD at age 53 years: analysis of a prospective cohort study

    Article • The Lancet Respiratory Medicine, May 2022, Elsevier

    David Johns

  12. Impact of lifetime body mass index trajectories on the incidence and persistence of adult asthma

    Article • European Respiratory Journal, February 2022, European Respiratory Society (ERS)

    Dr Gayan Bowatte, David Johns

  13. Childhood lung function as a determinant of menopause-dependent lung function decline

    Article • Maturitas, November 2021, Elsevier

    David Johns

  14. Normal limits for oscillometric bronchodilator responses and relationships with clinical factors

    Article • ERJ Open Research, September 2021, European Respiratory Society (ERS)

    David Johns

  15. Prevalence of chronic obstructive pulmonary disease with breathlessness in Australia: weighted using the 2016 Australian census

    Article • Internal Medicine Journal, May 2021, Wiley

    David Johns

  16. Undiagnosed and Misdiagnosed Chronic Obstructive Pulmonary Disease: Data from the BOLD Australia Study

    Article • International Journal of Chronic Obstructive Pulmonary Disease, February 2021, Taylor & Francis

    David Johns

  17. Bronchodilator reversibility as a diagnostic test for adult asthma: Findings from the population-based Tasmanian Longitudinal Health Study

    Article • ERJ Open Research, January 2021, European Respiratory Society (ERS)

    Dr Gayan Bowatte, David Johns

  18. Early Age at Natural Menopause Is Related to Lower Post-Bronchodilator Lung Function. A Longitudinal Population-based Study

    Article • Annals of the American Thoracic Society, April 2020, American Thoracic Society

    David Johns

  19. Lifetime Risk Factors for Pre- and Post-Bronchodilator Lung Function Decline: A Population-based Study

    Article • Annals of the American Thoracic Society, December 2019, American Thoracic Society

    Dr Gayan Bowatte, Dr Sheikh M Alif, David Johns

  20. Childhood pneumonia, pleurisy and lung function: a cohort study from the first to sixth decade of life

    Article • Thorax, October 2019, BMJ

    David Johns

  21. Early menarche is associated with lower adult lung function: A longitudinal cohort study from the first to sixth decade of life

    Article • Respirology, July 2019, Wiley

    David Johns

  22. Low levels of air pollution (NO2) and reduced lung function in middle-age

    Article • American Review of Respiratory Disease, July 2019, American Thoracic Society

    David Johns, Dr Jennifer Perret

  23. Occupational exposure to solvents and lung function decline: A population based study

    Article • Thorax, April 2019, BMJ

    Dr Sheikh M Alif, David Johns

  24. Early-life exposure to sibling modifies the relationship between CD14 polymorphisms and allergic sensitization

    Article • Clinical & Experimental Allergy, November 2018, Wiley

    David Johns

  25. Childhood predictors of lung function trajectories and future COPD risk: a prospective cohort study from the first to the sixth decade of life

    Article • The Lancet Respiratory Medicine, July 2018, Elsevier

    David Johns

  26. Childhood measles contributes to post-bronchodilator airflow obstruction in middle-aged adults: A cohort study

    Article • Respirology, March 2018, Wiley

    David Johns

  27. Improved spirometric detection of small airway narrowing: concavity in the expiratory flow–volume curve in people aged over 40 years

    Article • International Journal of Chronic Obstructive Pulmonary Disease, December 2017, Taylor & Francis

    Eugene Walters, David Johns, Associate Professor Brett G Toelle

  28. Atopy in people aged 40 years and over: Relation to airflow limitation

    Article • Clinical & Experimental Allergy, November 2017, Wiley

    Eugene Walters, David Johns, Associate Professor Brett G Toelle

  29. Traffic-related air pollution exposure over a 5-year period is associated with increased risk of asthma and poor lung function in middle age

    Article • European Respiratory Journal, October 2017, European Respiratory Society (ERS)

    Dr Gayan Bowatte, David Johns

  30. Bronchial hyperresponsiveness and obesity in middle age: insights from an Australian cohort

    Article • European Respiratory Journal, September 2017, European Respiratory Society (ERS)

    John Burgess, David Johns

  31. Occupational exposure and COPD

    Article • Thorax, July 2017, BMJ

    Dr Sheikh M Alif, David Johns

  32. The Dose–Response Association between Nitrogen Dioxide Exposure and Serum Interleukin-6 Concentrations

    Article • International Journal of Molecular Sciences, May 2017, MDPI AG

    David Johns

  33. Current asthma contributes as much as smoking to chronic bronchitis in middle age: a prospective population-based study [Corrigendum]

    Article • International Journal of Chronic Obstructive Pulmonary Disease, March 2017, Dove Medical Press

    Dr Gayan Bowatte, Professor Graham G Giles, Eugene Walters, David Johns, John Burgess

  34. Preterm birth and low birth weight continue to increase the risk of asthma from age 7 to 43

    Article • Journal of Asthma, October 2016, Taylor & Francis

    David Johns

  35. Current asthma contributes as much as smoking to chronic bronchitis in middle age: a prospective population-based study

    Article • International Journal of Chronic Obstructive Pulmonary Disease, August 2016, Dove Medical Press

    Dr Gayan Bowatte, Professor Graham G Giles, Eugene Walters, David Johns, John Burgess

  36. Clinical and functional differences between early-onset and late-onset adult asthma: a population-based Tasmanian Longitudinal Health Study

    Article • Thorax, June 2016, BMJ

    David Johns

  37. Cohort Profile: The Tasmanian Longitudinal Health STUDY (TAHS)

    Article • International Journal of Epidemiology, June 2016, Oxford University Press (OUP)

    David Johns

  38. Mother's smoking and complex lung function of offspring in middle age: A cohort study from childhood

    Article • Respirology, March 2016, Wiley

    David Johns

  39. Hormonal contraception increases risk of asthma among obese but decreases it among nonobese subjects: a prospective, population-based cohort study

    Article • ERJ Open Research, October 2015, European Respiratory Society (ERS)

    David Johns

  40. Prevalence of airflow obstruction and reduced forced vital capacity in an Aboriginal Australian population: The cross-sectional BOLD study

    Article • Respirology, February 2015, Wiley

    Associate Professor Brett G Toelle, David Johns

  41. Assessing the Performance of Two Lung Age Equations on the Australian Population: Using Data From the Cross-Sectional BOLD-Australia Study

    Article • Nicotine & Tobacco Research, August 2014, Oxford University Press (OUP)

    Associate Professor Brett G Toelle, David Johns

  42. Domestic airborne pollutants and asthma and respiratory symptoms in middle age

    Article • Respirology, February 2014, Wiley

    David Johns

  43. Automated Estimation and Analysis of Lung Function Test Parameters from Spirometric Data for Respiratory Disease Diagnostics

    Article • Procedia Computer Science, January 2014, Elsevier

    David Johns

  44. Respiratory symptoms and illness in older Australians: the Burden of Obstructive Lung Disease (BOLD) study

    Article • The Medical Journal of Australia, February 2013, Australasian Medical Publishing Co. Pty Ltd. (AMPCo)

    David Johns

  45. Asthma diagnosis and treatment – 1016. Is atopy in people aged 40 and over related to fixed airflow obstruction?

    Article • World Allergy Organization Journal, January 2013, Elsevier

    David Johns

  46. The Interplay between the Effects of Lifetime Asthma, Smoking, and Atopy on Fixed Airflow Obstruction in Middle Age

    Article • American Review of Respiratory Disease, January 2013, American Thoracic Society

    David Johns

  47. Childhood Infections and the Risk of Asthma

    Article • CHEST Journal, September 2012, Elsevier

    David Johns

  48. Poor lung function and tonsillectomy in childhood are associated with mortality from age 18 to 44

    Article • Respiratory Medicine, June 2010, Elsevier

    David Johns

  49. Adherence to asthma management guidelines by middle-aged adults with current asthma

    Article • Thorax, August 2009, BMJ

    David Johns

  50. Airway inflammation and anti-protease defences rapidly improve during treatment of an acute exacerbation of COPD

    Article • Respirology, May 2009, Wiley

    David Johns

  51. Effects of Feedback on Spirometry in Primary Care on Motivation for Smoking Cessation

    Article • The Journal of Smoking Cessation, May 2009, Cambridge University Press

    David Johns

  52. Relevance of the hygiene hypothesis to early vs. late onset allergic rhinitis

    Article • Clinical & Experimental Allergy, March 2009, Wiley

    David Johns

  53. Prediction equations for single breath diffusing capacity (Tlco) in a middle aged caucasian population

    Article • Thorax, October 2008, BMJ

    David Johns

  54. Bronchodilator reversibility, airway eosinophilia and anti-inflammatory effects of inhaled fluticasone in COPD are not related

    Article • Respirology, September 2008, Wiley

    David Johns

  55. Childhood eczema and asthma incidence and persistence: A cohort study from childhood to middle age

    Article • Journal of Allergy and Clinical Immunology, August 2008, Elsevier

    David Johns

  56. Tolerance and rebound with zafirlukast in patients with persistent asthma

    Article • Journal of Negative Results in BioMedicine, May 2008, Springer Science + Business Media

    David Johns

  57. A mixed methods study to compare models of spirometry delivery in primary care for patients at risk of COPD

    Article • Thorax, May 2008, BMJ

    David Johns

  58. Expert-Driven Knowledge Discovery

    Article • April 2008, Institute of Electrical & Electronics Engineers (IEEE)

    David Johns

  59. Childhood allergic rhinitis predicts asthma incidence and persistence to middle age: A longitudinal study

    Article • Journal of Allergy and Clinical Immunology, October 2007, Elsevier

    David Johns

  60. A Fast Heuristic Algorithm for Similarity Search in Large DNA Databases

    Article • October 2007, Institute of Electrical & Electronics Engineers (IEEE)

    David Johns

  61. Nonpharmacological and pharmacological interventions to prevent or reduce airway remodelling

    Article • European Respiratory Journal, September 2007, European Respiratory Society (ERS)

    David Johns

  62. Airway cell and cytokine changes in early asthma deterioration after inhaled corticosteroid reduction

    Article • Clinical & Experimental Allergy, August 2007, Wiley

    David Johns

  63. Associations between reduced diffusing capacity and airflow obstruction in community-based subjects

    Article • Respiratory Medicine, August 2007, Elsevier

    David Johns

  64. Response to the letter: Value of recommended spirometer accuracy checks on office spirometers in primary care unknown

    Article • Respirology, January 2007, Wiley

    David Johns

  65. β2-adrenergic receptor polymorphisms are associated with asthma and COPD in adults

    Article • Journal of Human Genetics, September 2006, Springer Science + Business Media

    David Johns

  66. Airway distensibility in normal and asthmatic subjects and partitioning of the Fowler dead space

    Article • Applied Physiology Nutrition and Metabolism, August 2006, Canadian Science Publishing

    David Johns

  67. National survey of spirometer ownership and usage in general practice in Australia

    Article • Respirology, May 2006, Wiley

    David Johns

  68. Stability of the EasyOne ultrasonic spirometer for use in general practice

    Article • Respirology, May 2006, Wiley

    David Johns

  69. How have we been managing chronic obstructive pulmonary disease in Australia?

    Article • Internal Medicine Journal, February 2006, Wiley

    David Johns

  70. Inter-relationships between airway inflammation, reticular basement membrane thickening and bronchial hyper-reactivity to methacholine in asthma; a systematic bronchoalveolar lavage and airway biopsy analysis

    Article • Clinical & Experimental Allergy, December 2005, Wiley

    David Johns

  71. Biological dust exposure in the workplace is a risk factor for chronic obstructive pulmonary disease

    Article • Thorax, August 2005, BMJ

    David Johns

  72. High justification for universal stringent precautions in lung function testing

    Article • Respiratory Medicine, August 2005, Elsevier

    David Johns

  73. Author's reply

    Article • Respiratory Medicine, August 2005, Elsevier

    David Johns

  74. Bronchial hyperresponsiveness and the bronchiolitis obliterans syndrome after lung transplantation

    Article • The Journal of Heart and Lung Transplantation, April 2005, Elsevier

    David Johns

  75. Variation in barometric pressure in Melbourne does not significantly affect the BTPS correction factor

    Article • Respirology, August 2004, Wiley

    David Johns

  76. Decreased lung capillary blood volume post-exercise is compensated by increased membrane diffusing capacity

    Article • European Journal of Applied Physiology and Occupational Physiology, July 2004, Springer Science + Business Media

    David Johns

  77. Influence of High Altitude on Lung Development and Function

    Article • January 2004, Elsevier

    David Johns

  78. Bronchodilator reversibility in Australian adults with chronic obstructive pulmonary disease

    Article • Internal Medicine Journal, December 2003, Wiley

    David Johns

  79. Exhaled nitric oxide continues to reflect airway hyperresponsiveness and disease activity in inhaled corticosteroid-treated adult asthmatic patients

    Article • Respirology, December 2003, Wiley

    David Johns

  80. Infection control of lung function equipment: a practical approach

    Article • Respiratory Medicine, November 2003, Elsevier

    David Johns

  81. Management of chronic obstructive pulmonary disease in the twenty-first century

    Article • Internal Medicine Journal, June 2002, Wiley

    David Johns

  82. Airway inflammation, basement membrane thickening and bronchial hyperresponsiveness in asthma

    Article • Thorax, April 2002, BMJ

    David Johns

  83. European Community Respiratory Health Survey calibration project of dosimeter driving pressures

    Article • European Respiratory Journal, February 2002, European Respiratory Society (ERS)

    David Johns

  84. Airway distensibility in healthy and asthmatic subjects: effect of lung volume history

    Article • Journal of Applied Physiology, April 2000, American Physiological Society

    David Johns

  85. Respiratory function in lambs after in utero treatment of lung hypoplasia by tracheal obstruction

    Article • Journal of Applied Physiology, December 1999, American Physiological Society

    David Johns

  86. Hypoxemia and Hypercapnia During Exercise and Sleep in Patients With Cystic Fibrosis

    Article • CHEST Journal, September 1999, Elsevier

    David Johns

  87. A critical evaluation of the MefarTM dosimeter

    Article • European Respiratory Journal, August 1999, European Respiratory Society (ERS)

    David Johns

  88. Postnatal development of respiratory function in lambs studied serially between birth and 8 weeks

    Article • Respiration Physiology, July 1998, Elsevier

    David Johns

  89. Nebulizer calibration using lithium chloride: an accurate, reproducible and user-friendly method

    Article • European Respiratory Journal, April 1998, European Respiratory Society (ERS)

    David Johns

  90. Differences in aerosol output and airways responsiveness between the DeVilbiss 40 and 45 hand held nebulisers.

    Article • Thorax, June 1995, BMJ

    David Johns

  91. Evaluation of six oxygen concentrators.

    Article • Thorax, November 1985, BMJ

    David Johns

  92. An Air-Enti Ainment Device for Preparing Precision Gas Mixtures

    Article • Journal of Medical Engineering & Technology, January 1983, Taylor & Francis

    David Johns

  93. An inexpensive constant flow injector

    Article • Journal of Medical Engineering & Technology, January 1981, Taylor & Francis

    David Johns

  94. Diagnostic Strategies

    Article • Wiley

    David Johns