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Journal of Youth and Adolescence|December 10, 2013
Validation of a self-administered instrument to assess stage of adolescent developmentN M Morris, J R Udry
Social Biology|January 1, 1993
Biosocial models of adolescent problem behavior: extension to panel designS M Drigotas, J R Udry
Journal of Homosexuality|January 1, 1991
Television viewing and adolescents' sexual behaviorJ D Brown, S F Newcomer
Studies in Family Planning|May 1, 1996
The exclusion of never-married women from Chinese fertility surveysR M Li, S F Newcomer
Archives of Sexual Behavior|February 1, 1994
Effects of repeated questionnaire administration in longitudinal studies of adolescent males' sexual behaviorC T Halpern, J R Udry, C Suchindran
Archives of Sexual Behavior|October 31, 1998
Monthly measures of salivary testosterone predict sexual activity in adolescent malesC T Halpern, J R Udry, C Suchindran
Family Planning Perspectives|May 1, 1996
Early predictors of nonmarital first pregnancy and abortionJ R Udry, J Kovenock, N M Morris
Journal of Biosocial Science|July 1, 1995
Androgen effects on women's gendered behaviourJ R Udry, N M Morris, J Kovenock
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