G D Ripley. Show Affiliations »
Abstract
Mesh: See more » Abortion, SpontaneousAdolescentCardiovascular DiseasesChildDietFemaleHealth EducationHumansMarriagePhysical ExertionPregnancySchoolsSex EducationSexually Transmitted DiseasesSmokingSportsState MedicineSubstance-Related DisordersSwedenTeachingUnited Kingdom
Year: 1974 PMID: 4479612 PMCID: PMC1611671 DOI: 10.1136/bmj.3.5932.670
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447