S P Ulrich. Show Affiliations »
Abstract
Mesh: See more » Age FactorsBack Pain/epidemiologyFemaleHumansMaleMilitary MedicineMilitary PersonnelPhysical ExertionPostureSurveys and QuestionnairesSwitzerland
Year: 1974 PMID: 4280066
Source DB: PubMed Journal: Schweiz Rundsch Med Prax ISSN: 1013-2058