author = { Stöver, Heino },

title = { Barriers to Opioid Substitution Treatment Access, Entry and Retention: A Survey of Opioid Users, Patients in Treatment, and Treating and Non-Treating Physicians },

publisher = {S. Karger AG},

isbn = {1022-6877},

isbn = {1421-9891},

keywords = { Psychiatry and Mental health , Health (social science) , Medicine (miscellaneous) },

year = {2011},

url = { http://slubdd.de/katalog?TN_libero_mab2 }