A T McLellan1, E Hunkeler. 1. Center for Addiction Studies, Department of Psychiatry, University of Pennsylvania 19104, USA. mclellan@research.trc.upenn.edu
Authors: Kirsten I Marchand; Eugenia Oviedo-Joekes; Daphne Guh; Suzanne Brissette; David C Marsh; Martin T Schechter Journal: BMC Health Serv Res Date: 2011-07-26 Impact factor: 2.655