title: Dependence of hemicholinium action on calcium concentration.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000818:Animals; D001713:Biphenyl Compounds / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology*; D004558:Electric Stimulation; D005260:Female; D005730:Ganglionic Blockers / Q000494:pharmacology*; D006321:Heart / Q000294:innervation*; D006325:Heart Atria / Q000294:innervation; D006329:Heart Conduction System / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D011433:Propranolol / Q000494:pharmacology; D011817:Rabbits; D012849:Sinoatrial Node / Q000187:drug effects; D013565:Sympatholytics / Q000494:pharmacology; D014630:Vagus Nerve / Q000502:physiology
chemical_list: D001713:Biphenyl Compounds; D005730:Ganglionic Blockers; D013565:Sympatholytics; D011433:Propranolol; D000109:Acetylcholine; D002118:Calcium