Source:
American journal of public health and the nation's health [Am J Public Health Nations Health] 1951 May; Vol. 41 (5 Pt 2), pp.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254075 Publication Model: Print
Source:
The Journal of hygiene [J Hyg (Lond)] 1947 Jan; Vol. 45 (1), pp. 103-9.Publisher: Cambridge University Press Country of Publication: England NLM ID: 0375374 Publication Model: Print Cited Medium: Print ISSN:
Source:
The American journal of the medical sciences [Am J Med Sci] 1964 Apr; Vol. 247, pp. 467-501.Publisher: Elsevier Country of Publication: United States NLM ID: 0370506 Publication Model: Print Cited Medium: Print ISSN: 0002-9629 (Print)