PT - JOURNAL ARTICLE AU - Jan M. van Ree AU - Mirjam A. F. M. Gerrits AU - Louk J. M. J. Vanderschuren TI - Opioids, Reward and Addiction: An Encounter of Biology, Psychology, and Medicine DP - 1999 Jun 01 TA - Pharmacological Reviews PG - 341--396 VI - 51 IP - 2 4099 - http://pharmrev.aspetjournals.org/content/51/2/341.short 4100 - http://pharmrev.aspetjournals.org/content/51/2/341.full SO - Pharmacol Rev1999 Jun 01; 51