@article{doi:10.1001/archpsyc.57.4.395, author = {Preston KL and Umbricht A and Epstein DH}, title = {MEthadone dose increase and abstinence reinforcement for treatment of continued heroin use during methadone maintenance}, journal = {Archives of General Psychiatry}, volume = {57}, number = {4}, pages = {395-404}, year = {2000}, doi = {10.1001/archpsyc.57.4.395}, URL = { + http://dx.doi.org/10.1001/archpsyc.57.4.395}, eprint = {/data/Journals/PSYCH/5111/yoa9276.pdf} }