title: An electrocardiographic study of digitalis effect.
mesh_terms: D000328:Adult; D004071:Digitalis Glycosides / Q000627:therapeutic use*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000187:drug effects*; D006333:Heart Failure / Q000188:drug therapy; D006801:Humans
chemical_list: D004071:Digitalis Glycosides