title: Order and disorder in the rhythm of the heart. The Fifth Annual George C. Griffith Lecture.
mesh_terms: D000109:Acetylcholine / Q000502:physiology; D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D002628:Chemoreceptor Cells; D003094:Collagen / Q000502:physiology; D003331:Coronary Vessels; D004562:Electrocardiography; D006321:Heart / Q000294:innervation; D006325:Heart Atria; D006329:Heart Conduction System / Q000502:physiology / Q000503:physiopathology; D006352:Heart Ventricles; D006801:Humans; D009206:Myocardium / Q000166:cytology / Q000473:pathology; D009638:Norepinephrine / Q000502:physiology; D010210:Papillary Muscles / Q000166:cytology; D011311:Pressoreceptors; D011689:Purkinje Cells; D012849:Sinoatrial Node / Q000502:physiology
chemical_list: D003094:Collagen; D000109:Acetylcholine; D009638:Norepinephrine