![](/img/cover-not-exists.png)
Sexual Activity, Contraceptive Use and Pregnancy Among Metropolitan-Area Teenagers: 1971-1979
Melvin Zelnik and John F. KantnerVolume:
12
Language:
english
Journal:
Family Planning Perspectives
DOI:
10.2307/2134865
Date:
September, 1980
File:
PDF, 1.33 MB
english, 1980