J Timisjärvi, P Järvensivu, L Hirvonen. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Educational MeasurementFemaleFinlandHumansMaleSmoking/epidemiologyStudentsStudents, Medical
Year: 1974 PMID: 4457830
Source DB: PubMed Journal: Nord Med ISSN: 0029-1420