title: Triggered and automatic activity in the canine coronary sinus.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D016275:Atrial Function; D003331:Coronary Vessels / Q000502:physiology*; D004285:Dogs; D004558:Electric Stimulation; D004699:Endocardium / Q000502:physiology; D006329:Heart Conduction System / Q000502:physiology*; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology; D014700:Verapamil / Q000494:pharmacology
chemical_list: D014700:Verapamil; D000109:Acetylcholine; D009638:Norepinephrine