title: RELATIVE ROLES OF THE SYMPATHETIC AND PARASYMPATHETIC NERVOUS SYSTEMS IN THE REFLEX CONTROL OF HEART RATE.
mesh_terms: D000818:Animals; D001285:Atropine; D001794:Blood Pressure; D004285:Dogs; D004983:Ethanolamines; D006145:Guanethidine; D006321:Heart; D006339:Heart Rate; D005996:Nitroglycerin; D010275:Parasympathetic Nervous System; D010600:Pharmacology; D010656:Phenylephrine; D010827:Physiology; D012018:Reflex; D012106:Research; D013564:Sympathetic Nervous System; D013565:Sympatholytics; D014628:Vagotomy
chemical_list: D004983:Ethanolamines; D013565:Sympatholytics; D010656:Phenylephrine; D001285:Atropine; D005996:Nitroglycerin; C084832:pronethalol; D006145:Guanethidine
keywords: ATROPINE; BLOOD PRESSURE; DOGS; EXPERIMENTAL LAB STUDY; GLYCERYL TRINITRATE; GUANETHIDINE; HEART; HEART RATE; PARASYMPATHETIC NERVOUS SYSTEM; PHARMACOLOGY; PHENYLEPHRINE; PHYSIOLOGY; PRONETHALOL; REFLEX; SYMPATHETIC NERVOUS SYSTEM; SYMPATHOLYTICS; VAGOTOMY