| Literature DB >> 4806756 |
Abstract
Entities:
Keywords: Adolescents; Adolescents, Female; Adolescents, Male; Age Factors; Behavior; Contraception; Contraceptive Usage; Demographic Factors; Developed Countries; Europe; Family Planning; Germany, Federal Republic Of; Population; Population Characteristics; Research Methodology; Sampling Studies; Sex Behavior; Studies; Surveys; Western Europe; Youth
Mesh：
Year: 1973 PMID： 4806756 DOI： 10.1080/00224497309550786
Source DB: PubMed Journal: J Sex Res ISSN： 0022-4499