title: THE ACTION OF SODIUM PENTOBARBITAL ON THE S-A NODAL ACTIVITY OF THE MAMMALIAN HEART.
mesh_terms: D004285:Dogs; D004809:Ephedrine; D006168:Guinea Pigs; D006321:Heart; D006329:Heart Conduction System; D006339:Heart Rate; D009638:Norepinephrine; D010424:Pentobarbital; D010600:Pharmacology; D010827:Physiology; D012106:Research; D012964:Sodium
chemical_list: D012964:Sodium; D004809:Ephedrine; D010424:Pentobarbital; D009638:Norepinephrine
keywords: DOGS; EPHEDRINE; EXPERIMENTAL LAB STUDY; GUINEA PIGS; HEART CONDUCTION SYSTEM; HEART RATE; NOREPINEPHRINE; PENTOBARBITAL; PHARMACOLOGY; PHYSIOLOGY