| Literature DB >> 8343664 |
A Mellanby1, F Phelps, J H Tripp.
Abstract
Keywords: Adolescents; Age Factors; Behavior; Biology; Demographic Factors; Developed Countries; Diseases; Education; Europe; Follow-up Studies; Infections; Northern Europe; Population; Population Characteristics; Premarital Sex Behavior; Reproductive Tract Infections; Research Methodology; Risk Factors; Sampling Studies; Sex Behavior; Sex Education; Sexually Transmitted Diseases; Studies; Surveys; United Kingdom; Youth
Mesh:
Year: 1993 PMID: 8343664 PMCID: PMC1678450 DOI: 10.1136/bmj.307.6895.25
Source DB: PubMed Journal: BMJ ISSN: 0959-8138