@misc{indiciae07a064c62b1d, title = {Differences in orbitofrontal activation during decision-making between methadone-maintained opiate users, heroin users and healthy volunteers.}, author = {Karen D Ersche and Paul C Fletcher and Jonathan P Roiser and Tim D Fryer and Mervyn London and Trevor W Robbins and Barbara J Sahakian}, year = {2006}, doi = {10.1007/s00213-006-0515-z}, url = {https://pubmed.ncbi.nlm.nih.gov/16953385/}, note = {Source identifier: 16953385} }