BIRDSALL, N. J. M.; BRADLEY, S.; BROWN, D. A.; BUCKLEY, N. J.; CHALLISS, R. J.; CHRISTOPOULOS, A.; EGLEN, R. M.; EHLERT, F.; FELDER, C. C.; HAMMER, R.; KILBINGER, H. J.; LAMBRECHT, G.; LANGMEAD, C.; MITCHELSON, F.; MUTSCHLER, E.; NATHANSON, N. M.; SCHWARZ, R. D.; TOBIN, A. B.; VALANT, C.; WESS, J. Acetylcholine receptors (muscarinic) (version 2019.4) in the IUPHAR/BPS Guide to Pharmacology Database. IUPHAR/BPS Guide to Pharmacology CITE, v. 2019, n. 4, 16 set. 2019.