M Schär. Show Affiliations »
Abstract
Mesh: See more » Health EducationHumansPreventive MedicinePsychology, SocialSocial ProblemsSubstance-Related Disorders/prevention & controlSwitzerland
Year: 1971 PMID: 5141137
Source DB: PubMed Journal: Bull Schweiz Akad Med Wiss ISSN: 0036-7494