M Zelnik. Show Affiliations »
Abstract
Mesh: See more » AdolescentAdolescent BehaviorAdultAfrican Continental Ancestry GroupChildFamilyFemaleHumansMenarcheReligionResearchSexual BehaviorSocioeconomic FactorsUnited States
Year: 1981 PMID: 7284593
Source DB: PubMed Journal: Birth Defects Orig Artic Ser ISSN: 0547-6844