PT - JOURNAL ARTICLE AU - Malcolm P. Caulfield AU - Nigel J. M. Birdsall TI - International Union of Pharmacology. XVII. Classification of Muscarinic Acetylcholine Receptors DP - 1998 Jun 01 TA - Pharmacological Reviews PG - 279--290 VI - 50 IP - 2 4099 - http://pharmrev.aspetjournals.org/content/50/2/279.short 4100 - http://pharmrev.aspetjournals.org/content/50/2/279.full SO - Pharmacol Rev1998 Jun 01; 50