Sexual initiation and developmental changes.
Ellen
J M
JM
Adler
N
N
D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology; D000367:Age Factors; D003075:Coitus / Q000523:psychology*; D005260:Female; D006801:Humans; D011606:Psychosexual Development; D012725:Sexual Behavior / Q000523:psychology / Q000706:statistics & numerical data