RT Journal Article SR Electronic T1 International Union of Pharmacology. XVII. Classification of Muscarinic Acetylcholine Receptors JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 279 OP 290 VO 50 IS 2 A1 Malcolm P. Caulfield A1 Nigel J. M. Birdsall YR 1998 UL http://pharmrev.aspetjournals.org/content/50/2/279.abstract AB