RT Journal Article SR Electronic T1 Evaluation of phencyclidine analogs on the basis of their discriminative stimulus properties in the rat. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 543 OP 551 VO 216 IS 3 A1 H E Shannon YR 1981 UL http://jpet.aspetjournals.org/content/216/3/543.abstract AB