W BOYD. Show Affiliations »
Abstract
Keywords: EPIDEMIOLOGY; HISTORY; HISTORY OF MEDICINE, 20TH CENT.
Mesh: See more » EpidemiologyHistoryHistory, 20th CenturyHumansMedicine
Year: 1965 PMID: 14282942 PMCID: PMC1928011
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262