| Literature DB >> 717613 |
Abstract
Keywords: Adolescents; Adolescents, Female; Adolescents, Male; Age Factors; Americas; Demographic Factors; Developed Countries; Education; North America; Northern America; Population; Population Characteristics; Sex Education; United States; Youth
Mesh:
Year: 1978 PMID: 717613 PMCID: PMC1654024 DOI: 10.2105/ajph.68.11.1073
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308