TY - JOUR T1 - Introduction: Behavioral Factors in Human Drug Abuse JF - Pharmacological Reviews JO - Pharmacol Rev SP - 499 LP - 502 VL - 27 IS - 4 AU - N. A. Krasnegor Y1 - 1975/12/01 UR - http://pharmrev.aspetjournals.org/content/27/4/499.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -