URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.2105/AJPH.2014.302324DOI Link
http://ajph.aphapublications.org/doi/full/10.2105/[...]04/09/2015
http://ajph.aphapublications.org/doi/pdf/10.2105/A[...]04/09/2015PDF Reader