Powell, K R; Dykstra, L A (1996) The role of serotonergic receptors in the effects of mu opioids in squirrel monkeys responding under a titration procedure. Psychopharmacology (Berl) 126:42-9 |
Powell, K R; Dykstra, L A (1995) The role of serotonin in the effects of opioids in squirrel monkeys responding under a titration procedure: I. Kappa opioids. J Pharmacol Exp Ther 274:1305-16 |