| Literature DB >> 4471709 |
Abstract
Keywords: Adolescents; Adolescents, Female; Adolescents, Male; Age Factors; Behavior; Demographic Factors; Population; Population Characteristics; Sex Behavior; Youth
Mesh:
Year: 1974 PMID: 4471709
Source DB: PubMed Journal: Adolescence ISSN: 0001-8449