Buprenorphine medication and voucher contingencies in promoting abstinence from opiates and cocaine
Chopra, M.P., Landes, R.D., Gatchalian, K.M., Jackson, L.C., Buchhalter, A.R., Stitzer, M.L., Marsch, L.A., Bickel, W.K. Buprenorphine medication and voucher contingencies in promoting abstinence from opiates and cocaine. Experimental and Clinical Psychopharmacology. 2009; 17(4):226-236.