Source:
American journal of public health [Am J Public Health] 2001 Sep; Vol. 91 (9), pp. 1487-93.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254074 Publication Model: Print Cited Medium: Print
Source:
American journal of public health [Am J Public Health] 1972 Dec; Vol. 62 (12), pp. 1586-9.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254074 Publication Model: Print Cited Medium: Print
Source:
American journal of public health [Am J Public Health] 2010 Mar; Vol. 100 (3), pp. 420-2.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254074 Publication Model: Print Cited Medium: Internet