title: Studies on the mechanism of the diminished chronotropic response to vagal stimulation in hyperthyroid rats.
mesh_terms: D000818:Animals; D002118:Calcium / Q000097:blood; D002794:Choline / Q000494:pharmacology; D002795:Choline O-Acetyltransferase / Q000378:metabolism; D005071:Evoked Potentials; D006321:Heart / Q000294:innervation*; D006339:Heart Rate / Q000187:drug effects; D006863:Hydrogen-Ion Concentration; D006980:Hyperthyroidism / Q000503:physiopathology*; D009206:Myocardium / Q000201:enzymology; D051381:Rats; D013974:Thyroxine / Q000494:pharmacology; D014630:Vagus Nerve / Q000502:physiology*
chemical_list: D002795:Choline O-Acetyltransferase; D002794:Choline; D013974:Thyroxine; D002118:Calcium