RT Journal Article SR Electronic T1 Pharmacological and Environmental Variables Affecting Drug Preference in Rhesus Monkeys JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 343 OP 355 VO 27 IS 3 A1 Johanson, Chris E. YR 1975 UL http://pharmrev.aspetjournals.org/content/27/3/343.abstract AB