Partheeban M Factors Associated with Treatment Retention and Early dropp out in Buprenorphine Maintenance Treatment for Opioid Dependence - - Bangalore Department of Psychiatry, NIMHANS 2015 - 98 p. 15 - . MD in Psychiatry Opioid Dependence Subjects--Topical Terms: Opioid Dependence Dewey Class. No.: A1.2 / PAR