TY - JOUR T1 - Opioids, Reward and Addiction: An Encounter of Biology, Psychology, and Medicine JF - Pharmacological Reviews JO - Pharmacol Rev SP - 341 LP - 396 VL - 51 IS - 2 AU - Jan M. van Ree AU - Mirjam A. F. M. Gerrits AU - Louk J. M. J. Vanderschuren Y1 - 1999/06/01 UR - http://pharmrev.aspetjournals.org/content/51/2/341.abstract N2 - ER -