PT - JOURNAL ARTICLE AU - Holz, W. C. AU - Gill, C. A. TI - Drug Injections as Negative Reinforcers DP - 1975 Sep 01 TA - Pharmacological Reviews PG - 437--446 VI - 27 IP - 3 4099 - http://pharmrev.aspetjournals.org/content/27/3/437.short 4100 - http://pharmrev.aspetjournals.org/content/27/3/437.full SO - Pharmacol Rev1975 Sep 01; 27