RT Journal Article SR Electronic T1 STUDIES OF MORPHINE, CODEINE AND THEIR DERIVATIVES IV. HYDROGENATED CODEINE ISOMERS JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 35 OP 44 VO 51 IS 1 A1 NATHAN B. EDDY A1 LYNDON F. SMALL YR 1934 UL http://jpet.aspetjournals.org/content/51/1/35.abstract AB