Source:
American journal of public health [Am J Public Health] 2008 Sep; Vol. 98 (9), pp. 1593. Date of Electronic Publication: 2008 Jul 16.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254074 Publication Model:
Source:
American journal of public health [Am J Public Health] 2004 Jul; Vol. 94 (7), pp. 1081-4.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254074 Publication Model: Print