[Adolescent contraception: the great paradox].
Alvin
P
P
D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology*; D003267:Contraception; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000517:prevention & control; D012725:Sexual Behavior; D019529:Sexuality