Family Planning Perspectives · 1987 · 207 citations · 4 references
Sandra L. Hofferth, Joan R. Kahn, Wendy Baldwin, Premarital Sexual Activity Among U.S. Teenage Women Over the Past Three Decades, Family Planning Perspectives, Vol. 19, No. 2 (Mar. - Apr., 1987), pp. 46-53
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Understanding U.S. fertility: findings from the National Survey of Family Growth, Cycle III.
Pratt Wf, Mosher Wd, Bachrach Ca et al. · PubMed · 1984 · 140 citations