title: Comparative studies of the Na+ K+ ATPase-activity and digitalis sensitivity in the nodal tissue and the myocardium.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000818:Animals; D002417:Cattle; D004071:Digitalis Glycosides / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D009206:Myocardium / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*
chemical_list: D004071:Digitalis Glycosides; D012964:Sodium; D000251:Adenosine Triphosphatases; D011188:Potassium