TY - JOUR T1 - International Union of Pharmacology. XII. Classification of opioid receptors JF - Pharmacological Reviews JO - Pharmacol Rev SP - 567 LP - 592 VL - 48 IS - 4 AU - BN Dhawan AU - F Cesselin AU - R Raghubir AU - T Reisine AU - PB Bradley AU - PS Portoghese AU - M Hamon Y1 - 1996/12/01 UR - http://pharmrev.aspetjournals.org/content/48/4/567.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -