RT Journal Article SR Electronic T1 STUDIES OF MORPHINE, CODEINE AND THEIR DERIVATIVES XIV. THE VARIATION WITH AGE IN THE TOXIC EFFECTS OF MORPHINE, CODEINE AND SOME OF THEIR DERIVATIVES JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 182 OP 201 VO 66 IS 2 A1 NATHAN B. EDDY YR 1939 UL http://jpet.aspetjournals.org/content/66/2/182.abstract AB