T PARRAN. Show Affiliations »
Abstract
Keywords: EPIDEMIOLOGY/education
Mesh: See more » Epidemiology/educationHealth Services Needs and DemandHumans
Year: 1957 PMID: 13405732 DOI: 10.1001/jama.1957.02970440038012
Source DB: PubMed Journal: J Am Med Assoc ISSN: 0002-9955