title: Effect of aminophylline on the SA node of the dog heart in situ.
mesh_terms: D000628:Aminophylline / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D004285:Dogs; D006339:Heart Rate / Q000187:drug effects; D007267:Injections; D011433:Propranolol / Q000494:pharmacology; D012849:Sinoatrial Node / Q000187:drug effects*; D013268:Stimulation, Chemical; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D000628:Aminophylline; D013779:Tetrodotoxin; D011433:Propranolol