All Stories

  1. Aspects of the History of Twin Research: Statistical Congresses in the 19th Century and Hellin's Law

    Article • Twin Research and Human Genetics, December 2017, Cambridge University Press

    Professor Johan Fellman

  2. Studies of the Seasonal Pattern of Multiple Maternities

    Article • Twin Research and Human Genetics, April 2017, Cambridge University Press

    Professor Johan Fellman

  3. Twinning Rates in Isolates

    Article • Twin Research and Human Genetics, September 2016, Cambridge University Press

    Professor Johan Fellman

  4. Some aspects of sex ratio studies

    Article • Acta Paediatrica, August 2016, Wiley

    Professor Johan Fellman

  5. Temporal Variation in Rates of Multiple Maternities in Denmark, 1850–2012

    Article • Twin Research and Human Genetics, May 2015, Cambridge University Press

    Professor Johan Fellman

  6. Effect of Fertility on Secondary Sex Ratio and Twinning Rate in Sweden, 1749–1870

    Article • Twin Research and Human Genetics, November 2014, Cambridge University Press

    Professor Johan Fellman

  7. Repeated Multiple Maternities in Triplet Families

    Article • Twin Research and Human Genetics, April 2014, Cambridge University Press

    Professor Johan Fellman

  8. Birth Weight and Future Life-span in Finnish Triplets

    Article • British Journal of Medicine and Medical Research, January 2014, Sciencedomain International

    Professor Johan Fellman

  9. Statistical Analyses of Monozygotic and Dizygotic Twinning Rates

    Article • Twin Research and Human Genetics, September 2013, Cambridge University Press

    Professor Johan Fellman

  10. Birth Weight Among Single and Multiple Births on the Åland Islands

    Article • Twin Research and Human Genetics, March 2013, Cambridge University Press

    Professor Johan Fellman

  11. Properties of Non-Differentiable Tax Policies

    Article • Theoretical Economics Letters, January 2013, Scientific Research Publishing, Inc,

    Professor Johan Fellman

  12. The international biological program/human adaptability studies among the Skolt Sami in Finland (1966–1970)

    Article • International Journal of Circumpolar Health, April 2012, Co-Action Publishing

    Professor Johan Fellman

  13. Properties of Lorenz Curves for Transformed Income Distributions

    Article • Theoretical Economics Letters, January 2012, Scientific Research Publishing, Inc,

    Professor Johan Fellman

  14. Temporal Trends in the Secondary Sex Ratio in Nordic Countries

    Article • Biodemography and Social Biology, January 2011, Taylor & Francis

    Professor Johan Fellman

  15. Lorenz Curve

    Article • January 2011, Springer Science + Business Media

    Professor Johan Fellman

  16. Secondary Sex Ratio in Multiple Births

    Article • Twin Research and Human Genetics, February 2010, Cambridge University Press

    Professor Johan Fellman

  17. Spatial Variation in the Twinning Rate in Sweden, 1751–1850

    Article • Twin Research and Human Genetics, December 2009, Cambridge University Press

    Professor Johan Fellman

  18. TWINNING AND LEGITIMACY

    Article • Hereditas, September 2009, Springer Science + Business Media

    Professor Johan Fellman

  19. Temporal and Regional Variations in the Seasonality of Births in Åland (Finland), 1653–1950

    Article • Biodemography and Social Biology, July 2009, Taylor & Francis

    Professor Johan Fellman

  20. Statistical Analyses of Hellin's Law

    Article • Twin Research and Human Genetics, April 2009, Cambridge University Press

    Professor Johan Fellman

  21. On the History of Hellin's Law

    Article • Twin Research and Human Genetics, April 2009, Cambridge University Press

    Professor Johan Fellman

  22. Discontinuous transformations, Lorenz curves and transfer policies

    Article • Social Choice and Welfare, January 2009, Springer Science + Business Media

    Professor Johan Fellman

  23. Maternal Age and Temporal Effects on Stillbirth Rates

    Article • Twin Research and Human Genetics, October 2008, Cambridge University Press

    Professor Johan Fellman

  24. Sex Ratio in Sibships With Twins

    Article • Twin Research and Human Genetics, April 2008, Cambridge University Press

    Professor Johan Fellman

  25. Temporal, Seasonal, and Regional Differences in Births and Deaths in Åland (Finland)

    Article • Human Biology, April 2008, Human Biology (The International Journal of Population Biology and Genetics)

    Professor Johan Fellman

  26. Correlations Between Live and Stillbirth Outcomes in Twin Pairs

    Article • Human Biology, February 2008, Human Biology (The International Journal of Population Biology and Genetics)

    Professor Johan Fellman

  27. Temporal Trends in the Rates of Multiple Maternities in England and Wales

    Article • Twin Research and Human Genetics, August 2007, Cambridge University Press

    Professor Johan Fellman

  28. Exfoliation syndrome: prevalence and inheritance in a subisolate of the Finnish population

    Article • Acta Ophthalmologica Scandinavica, August 2007, Wiley

    Professor Johan Fellman

  29. Estimation of the Stillbirth Rate in Twin Pairs According to Zygosity

    Article • Twin Research and Human Genetics, June 2007, Cambridge University Press

    Professor Johan Fellman

  30. Stillbirths in Multiple Births: Test of Independence

    Article • Twin Research and Human Genetics, October 2006, Cambridge University Press

    Professor Johan Fellman

  31. Factors Influencing the Stillbirth Rates in Single and Multiple Births in Sweden, 1869 to 1967

    Article • Twin Research and Human Genetics, August 2006, Cambridge University Press

    Professor Johan Fellman

  32. Stillbirth Rates in Singletons, Twins and Triplets in Sweden, 1869 to 2001

    Article • Twin Research and Human Genetics, April 2006, Cambridge University Press

    Professor Johan Fellman

  33. Weinberg's Differential Rule Reconsidered

    Article • Human Biology, January 2006, Project Muse

    Professor Johan Fellman

  34. Variations in the Maternal Age Effect on Twinning Rates: The Nordic Experience

    Article • Twin Research and Human Genetics, October 2005, Cambridge University Press

    Professor Johan Fellman

  35. The Convergence of the Regional Twinning Rates in Sweden, 1751–1960

    Article • Twin Research and Human Genetics, April 2005, Cambridge University Press

    Professor Johan Fellman

  36. Association Between the Rates of Multiple Maternities

    Article • Twin Research, October 2004, Cambridge University Press

    Professor Johan Fellman

  37. Association Between the Rates of Multiple Maternities

    Article • Twin Research, October 2004, Cambridge University Press

    Professor Johan Fellman

  38. Should the Statistical Analyses of Twinning-Rate Data be Improved?

    Article • Twin Research, October 2004, Cambridge University Press

    Professor Johan Fellman

  39. Should the Statistical Analyses of Twinning-Rate Data be Improved?

    Article • Twin Research, October 2004, Cambridge University Press

    Professor Johan Fellman

  40. Demographic Analysis of the Variation in the Rates of Multiple Maternities in Sweden Since 1751

    Article • Human Biology, January 2004, Project Muse

    Professor Johan Fellman

  41. Temporal Differences in the Regional Twinning Rates in Sweden after 1750

    Article • Twin Research, June 2003, Cambridge University Press

    Professor Johan Fellman

  42. Temporal Differences in the Regional Twinning Rates in Sweden after 1750

    Article • Twin Research, June 2003, Cambridge University Press

    Professor Johan Fellman

  43. Exfoliation syndrome: 
Frequency, gender distribution and association with climatically induced alterations of the cornea and conjunctiva

    Article • Acta Ophthalmologica Scandinavica, October 2002, Wiley

    Professor Johan Fellman

  44. On the Standardisation of the Twinning Rate

    Article • Twin Research, February 2002, Cambridge University Press

    Professor Johan Fellman

  45. On the Standardisation of the Twinning Rate

    Article • Twin Research, February 2002, Cambridge University Press

    Professor Johan Fellman

  46. Sex Ratio and Proportion of Affected Sons in Sibships with X-Chromosomal Recessive Traits: Maximum Likelihood Estimation in Truncated Multinomial Distributions

    Article • Human Heredity, January 2002, Karger Publishers

    Professor Johan Fellman

  47. Mathematical properties of classes of income redistributive policies

    Article • European Journal of Political Economy, March 2001, Elsevier

    Professor Johan Fellman

  48. Regional, temporal, and seasonal variations in births and deaths: The effects of famines

    Article • Biodemography and Social Biology, March 2001, Taylor & Francis

    Professor Johan Fellman

  49. Seasonal variation of livebirths, stillbirths, extramarital births and twin maternities in Switzerland

    Article • Twin Research, December 2000, Cambridge University Press

    Professor Johan Fellman

  50. Seasonal variation of livebirths, stillbirths, extramarital births and twin maternities in Switzerland

    Article • Twin Research, August 2000, Cambridge University Press

    Professor Johan Fellman

  51. Optimal Tax‐Transfer Systems and Redistributive Policy

    Article • Scandinavian Journal of Economics, March 1999, Wiley

    Professor Johan Fellman

  52. Statistical analysis of the seasonal variation in the twinning rate

    Article • Twin Research, February 1999, Cambridge University Press

    Professor Johan Fellman

  53. Autosomal recessive cornea plana. A clinical and genetic study of 78 cases in Finland

    Article • Acta Ophthalmologica Scandinavica, April 1998, Wiley

    Professor Johan Fellman

  54. Changes of the eye caused by the climate in Rwanda, Africa

    Article • Ophthalmic Epidemiology, January 1995, Taylor & Francis

    Professor Johan Fellman

  55. Characterizations and dispersion-matrix robustness of efficiently estimable parametric functionals in linear models with nuisance parameters

    Article • Linear Algebra and its Applications, January 1990, Elsevier

    Professor Johan Fellman

  56. Pitfalls of Linear Regression Analysis

    Article • Teaching Statistics, September 1989, Wiley

    Professor Johan Fellman

  57. Consanguinity avoidance and mate choice in Sottunga, Finland

    Article • American Journal of Physical Anthropology, June 1989, Wiley

    Professor Johan Fellman

  58. An empirical study of a class of iterative searches for optimal designs

    Article • Journal of Statistical Planning and Inference, January 1989, Elsevier

    Professor Johan Fellman

  59. Founder effect and genetic disease in Sottunga, Finland

    Article • American Journal of Physical Anthropology, November 1988, Wiley

    Professor Johan Fellman

  60. Inbreeding and genetic disease in Sottunga, Finland

    Article • American Journal of Physical Anthropology, April 1988, Wiley

    Professor Johan Fellman

  61. The Effect of Transformations of Lorenz Curves

    Article • Econometrica, July 1976, JSTOR

    Professor Johan Fellman

  62. Population Structure of the Åland Islands, Finland

    Article • January 1976, Springer Science + Business Media

    Professor Johan Fellman

  63. Normal Values and Statistics

    Article • Scandinavian Journal of Clinical and Laboratory Investigation, January 1968, Taylor & Francis

    Professor Johan Fellman

  64. EMBRYOTOXON CORNEAE POSTERIUS IN AN ISOLATED POPULATION

    Article • Acta Ophthalmologica, April 1964, Wiley

    Professor Johan Fellman

  65. Serum Vitamin B12 Levels in an Isolated Island Population

    Article • Acta Medica Scandinavica, January 1964, Wiley

    Professor Johan Fellman