TY - JOUR T1 - Experimental Analysis of Conditioning Factors in Human Narcotic Addiction JF - Pharmacological Reviews JO - Pharmacol Rev SP - 533 LP - 543 VL - 27 IS - 4 AU - C. P. O'Brien Y1 - 1975/12/01 UR - http://pharmrev.aspetjournals.org/content/27/4/533.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -