title: INFLUENCE OF SODIUM PENTOBARBITAL UPON THE CHRONOTROPIC ACTION OF CALCIUM IN THE MAMMALIAN HEART.
mesh_terms: D002118:Calcium; D004285:Dogs; D006168:Guinea Pigs; D006321:Heart; D006329:Heart Conduction System; D007477:Ions; D010424:Pentobarbital; D010600:Pharmacology; D012106:Research; D012110:Reserpine; D012964:Sodium
chemical_list: D007477:Ions; D012110:Reserpine; D012964:Sodium; D010424:Pentobarbital; D002118:Calcium
keywords: CALCIUM; DOGS; EXPERIMENTAL LAB STUDY; GUINEA PIGS; HEART CONDUCTION SYSTEM; PENTOBARBITAL; PHARMACOLOGY; RESERPINE; SODIUM