PT  - JOURNAL ARTICLE
AU  - Dhawan, BN
AU  - Cesselin, F
AU  - Raghubir, R
AU  - Reisine, T
AU  - Bradley, PB
AU  - Portoghese, PS
AU  - Hamon, M
TI  - International Union of Pharmacology. XII. Classification of opioid receptors
DP  - 1996 Dec 01
TA  - Pharmacological Reviews
PG  - 567--592
VI  - 48
IP  - 4
4099  - http://pharmrev.aspetjournals.org/content/48/4/567.short
4100  - http://pharmrev.aspetjournals.org/content/48/4/567.full
SO  - Pharmacol Rev1996 Dec 01; 48