RT Journal Article SR Electronic T1 Concurrent Schedules of Cocaine Injection in Rhesus Monkeys: Dose Variations under Independent and Non-independent Variable-interval Procedures JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 367 OP 383 VO 27 IS 3 A1 Carol Iglauer A1 Mark E. Llewellyn A1 James H. Woods YR 1975 UL http://pharmrev.aspetjournals.org/content/27/3/367.abstract AB