PhysostigmineCarbacholCholinesterase InhibitorsParasympathomimeticsAtropineCholinergic AgonistsTacrineReceptors, MuscarinicNeostigmineScopolamine HydrobromideMuscarinic AntagonistsAcetylcholineHexamethonium CompoundsParasympatholyticsYawningAcetylcholinesteraseAkathisia, Drug-InducedMuscarinic AgonistsPharmacologyAutonomic AgentsCholinergic AgentsCholinergic FibersMuscle, SmoothParasympathetic Nervous SystemNalorphineCholineGuinea PigsCholinergic AntagonistsOxotremorineDroperidolMuscle ContractionButylscopolammonium BromideCholinesterasesPempidineReceptors, CholinergicSomanObidoxime ChlorideAntidotesElectric StimulationPyrithiamineCyclopentolateStrophanthinsMethacholine CompoundsTremorineReserpinePyridostigmine BromideGuanethidineBretylium CompoundsDose-Response Relationship, DrugDoxapramReceptor, Muscarinic M3ButyrylcholinesteraseTubocurarineBiperidenPilocarpine