Amy S. B. Bohnert, Catherine P. Bradshaw and Carl A. Latkin
Addiction 104 ( 7 ): 1210 - 1218 , 2009
Amy S. B. Bohnert, Marta R. Prescott, David Vlahov, Kenneth J. Tardiff and Sandro Galea
Addiction 105 ( 6 ): 1049 - 1054 , 2010