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Singapore Journal of Tropical Geography|June 1, 1982
Migration and the transformation of employment and household structuresT B Heaton, A H Hawley, J R Udry, et al.Obstetrics and Gynecology|October 1, 1985
Relationship of age and pubertal development to ovulation in adolescent girlsL M Talbert, M G Hammond, T Groff, et al.Archives of Sexual Behavior|February 1, 1987
Marital sex frequency and midcycle female testosteroneN M Morris, J R Udry, F Khan-Dawood, et al.Family Planning Perspectives|September 1, 1996
A medical record linkage analysis of abortion underreportingJ R Udry, M Gaughan, P J Schwingl, et al.Journal of Biosocial Science|April 1, 1994
Testosterone and religiosity as predictors of sexual attitudes and activity among adolescent males: a biosocial modelC T Halpern, J R Udry, B Campbell, et al.Archives of Sexual Behavior|June 1, 1995
Childhood precursors of age at first intercourse for femalesJ R Udry, J Kovenock, N M Morris, et al.Fertility and Sterility|January 1, 1985
Serum androgenic hormones motivate sexual behavior in adolescent boysJ R Udry, J O Billy, N M Morris, et al.Demography|August 1, 1993
Nutrition, lactation, and birth spacing in Filipino womenB M Popkin, D K Guilkey, J S Akin, et al.JAMA|September 18, 1997
Protecting adolescents from harm. Findings from the National Longitudinal Study on Adolescent HealthM D Resnick, P S Bearman, R W Blum, et al.Pageof 5