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Adolescence|January 1, 1985
The influence of male and female best friends on adolescent sexual behaviorJ O Billy, J R UdryJournal of Personality and Social Psychology|February 1, 1988
Sex hormone effects on personality at pubertyJ R Udry, L M TalbertJournal of Biosocial Science|January 1, 1989
Demographic components of seasonality of pregnancyJ E Kallan, J R UdryAmerican Journal of Public Health|September 4, 1999
Prenatal effects of maternal smoking on daughters' smoking: nicotine or testosterone exposure?D B Kandel, J R UdryAnnals of the New York Academy of Sciences|February 18, 1994
Implications of hormonal influences on sexual behavior for demographic models of reproductionB C Campbell, J R UdryThe Journal of Nutrition|May 16, 1998
Adolescent obesity increases significantly in second and third generation U.S. immigrants: the National Longitudinal Study of Adolescent HealthB M Popkin, J R UdryJournal of Reproduction and Fertility|November 1, 1977
The distribution of events in the human menstrual cycleJ R Udry, N M MorrisJournal of Biosocial Science|April 1, 1995
Stress and age at menarche of mothers and daughtersB C Campbell, J R UdryAmerican Journal of Public Health|October 1, 1985
Coital and non-coital sexual behaviors of white and black adolescentsE A Smith, J R UdryPageof 5