Brimblecombe, R W A comparison of the pharmacological activities of tertiary bases and their quaternary ammonium derivatives. [electronic resource] - International journal of neuropharmacology Mar 1969 - 131-41 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0375-9458 Standard No.: 10.1016/0028-3908(69)90006-9 doi Subjects--Topical Terms: AnimalsAnuraBehavior, Animal--drug effectsBlood Pressure--drug effectsCarotid Arteries--drug effectsCatsChemical PhenomenaChemistryCholinesterase InhibitorsGanglionic Blockers--pharmacologyGuinea PigsHexamethonium Compounds--pharmacologyIleum--drug effectsMiceMuscle Contraction--drug effectsNictitating Membrane--drug effectsParasympathomimetics--pharmacologyQuaternary Ammonium Compounds--chemical synthesisRats