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10. Voucher-based reinforcement of opiate plus cocaine abstinence in treatment-resistant methadone patients: effects of reinforcer magnitude. Dallery J, Silverman K, Chutuape MA, Bigelow GE, Stitzer ML. Exp Clin Psychopharmacol; 2001 Aug 01; 9(3):317-25. PubMed ID: 11534542 [Abstract] [Full Text] [Related]
11. Methadone dose increase and abstinence reinforcement for treatment of continued heroin use during methadone maintenance. Preston KL, Umbricht A, Epstein DH. Arch Gen Psychiatry; 2000 Apr 01; 57(4):395-404. PubMed ID: 10768702 [Abstract] [Full Text] [Related]
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