The nature of Wenckebach cycles.
D000818:Animals; D002297:Cardanolides / Q000494:pharmacology*; D004285:Dogs; D004562:Electrocardiography; D006321:Heart / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects
D002297:Cardanolides