TY - JOUR T1 - Drug Injections as Negative Reinforcers JF - Pharmacological Reviews JO - Pharmacol Rev SP - 437 LP - 446 VL - 27 IS - 3 AU - W. C. Holz AU - C. A. Gill Y1 - 1975/09/01 UR - http://pharmrev.aspetjournals.org/content/27/3/437.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -