TY - RPRT TI - Transition to drug addiction: a negative reinforcement model based on an allostatic decrease in reward function. AU - Serge H Ahmed AU - George F Koob PY - 2005 DO - 10.1007/s00213-005-2180-z UR - https://pubmed.ncbi.nlm.nih.gov/15731896/ ID - 15731896 ER -