A cumulative effect of digitalis on the heart of frogs.
D000818:Animals; D001001:Anura; D004070:Digitalis; D004071:Digitalis Glycosides; D006321:Heart / Q000187:drug effects*; D006801:Humans; D011898:Ranidae
D004071:Digitalis Glycosides
DIGITALIS/effects; HEART/effect of drugs on