Source:
Canadian Medical Association journal [Can Med Assoc J] 1965 Jun 12; Vol. 92, pp. 1241-7.Publisher: Canadian Medical Association Country of Publication: Canada NLM ID: 0414110 Publication Model: Print Cited Medium: Print ISSN:
Source:
Public health reports (Washington, D.C. : 1896) [Public Health Rep (1896)] 1964 Jul; Vol. 79, pp. 634-7.Publisher: Public Health Service Country of Publication: United States NLM ID: 0433021 Publication Model: Print Cited Medium: Print ISSN: