RT Journal Article SR Electronic T1 Dose preference during pentobarbital self-administration by humans. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 310 OP 318 VO 203 IS 2 A1 Pickens, R A1 Cunningham, M R A1 Heston, L L A1 Eckert, E A1 Gustafson, L K YR 1977 UL http://jpet.aspetjournals.org/content/203/2/310.abstract AB