TY - JOUR T1 - Psychotropic Drugs as Negative Reinforcers JF - Pharmacological Reviews JO - Pharmacol Rev SP - 419 LP - 428 VL - 27 IS - 3 AU - Friedrich Hoffmeister AU - Wolfgang Wuttke Y1 - 1975/09/01 UR - http://pharmrev.aspetjournals.org/content/27/3/419.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -