RT Journal Article SR Electronic T1 Introduction: Behavioral Factors in Human Drug Abuse JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 499 OP 502 VO 27 IS 4 A1 N. A. Krasnegor YR 1975 UL http://pharmrev.aspetjournals.org/content/27/4/499.abstract AB