H SINGER, A RAPOPORT, P O CRASSWELLER. Show Affiliations »
Abstract
Keywords: CLINICAL RESEARCH
Mesh: See more » Biomedical ResearchFamily PracticeGeneral PracticeHumansResearch
Year: 1964 PMID: 14155130 PMCID: PMC1927193
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262