Hemsworth, B A Proceedings: The effects of some bis-quaternary ammonium compounds on choline acetyltransferase, cholinesterase and the cholinergic receptor. [electronic resource] - The Journal of pharmacy and pharmacology Dec 1975 - 61P p. digital Publication Type: Journal Article ISSN: 0022-3573 Subjects--Topical Terms: Acetyltransferases--antagonists & inhibitorsAnimalsAnuraBrain--enzymologyCholine O-Acetyltransferase--antagonists & inhibitorsCholinesterase Inhibitors--pharmacologyIn Vitro TechniquesMuscle Contraction--drug effectsQuaternary Ammonium Compounds--pharmacologyRatsReceptors, Cholinergic--drug effects