PT - JOURNAL ARTICLE AU - N. A. Krasnegor TI - Introduction: Behavioral Factors in Human Drug Abuse DP - 1975 Dec 01 TA - Pharmacological Reviews PG - 499--502 VI - 27 IP - 4 4099 - http://pharmrev.aspetjournals.org/content/27/4/499.short 4100 - http://pharmrev.aspetjournals.org/content/27/4/499.full SO - Pharmacol Rev1975 Dec 01; 27