| Literature DB >> 12295352 |
Abstract
Keywords: Adolescents; Age Factors; Americas; Behavior; Contraception; Contraceptive Usage; Demographic Factors; Developed Countries; Family Planning; Fertility; North America; Northern America; Population; Population Characteristics; Population Dynamics; Premarital Pregnancy; Reproductive Behavior; Research Methodology; Research Report; Risk Behavior; Risk Reduction Behavior; Sampling Studies; Sex Behavior; Studies; Surveys; United States; Youth
Mesh：
Year: 1997 PMID： 12295352 DOI： 10.1016/s0190-7409(97)00022-4
Source DB: PubMed Journal: Child Youth Serv Rev ISSN： 0190-7409