AU - Cantor R TI - MEthadone maintenance and amitriptyline PT - JOUR DP - 1979 TA - JAMA pages = {2378}, VI - 241 IP - 22 AID - 10.1001/jama.1979.03290480012004 [doi] 4100 - http://dx.doi.org/10.1001/jama.1979.03290480012004 SO - JAMA June 1, 1979 241(22):2378