J E Christensen, C E Christensen. Show Affiliations »
Abstract
Mesh: See more » Health SurveysPhysical Education and Training/standardsRecreationResearch Design/standardsStatistics as Topic
Year: 1977 PMID: 266240 DOI: 10.1080/10671315.1977.10762173
Source DB: PubMed Journal: Res Q ISSN: 0034-5377