RT Journal Article SR Electronic T1 Intravenous self-administration of etonitazene, cocaine and phencyclidine in rats during food deprivation and satiation. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 241 OP 247 VO 217 IS 2 A1 M E Carroll A1 C P France A1 R A Meisch YR 1981 UL http://jpet.aspetjournals.org/content/217/2/241.abstract AB