title: SOME UNANSWERED QUESTIONS CONCERNING ENLARGEMENT AND FAILURE OF THE HEART.
mesh_terms: D001145:Arrhythmias, Cardiac; D006332:Cardiomegaly; D004562:Electrocardiography; D006333:Heart Failure; D006801:Humans
keywords: ARRHYTHMIA; ELECTROCARDIOGRAPHY; HEART ENLARGEMENT; HEART FAILURE, CONGESTIVE; REVIEW