RT Journal Article SR Electronic T1 ADAPTATION TO CONSTANT CONCENTRATIONS OF ACETYLCHOLINE JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 220 OP 226 VO 116 IS 2 A1 William A. Krivoy A1 J. H. Wills YR 1956 UL http://jpet.aspetjournals.org/content/116/2/220.abstract AB