Forker, A D Unexplained congestive heart failure--value of echocardiography in detecting correctible disease. [electronic resource] - The Nebraska medical journal Jan 1974 - 11-3 p. digital Publication Type: Journal Article ISSN: 0091-6730 Subjects--Topical Terms: AgedCardiomegaly--diagnosisCoronary Disease--diagnosisDiagnosis, DifferentialEchocardiographyHeart Diseases--diagnosisHeart Failure--etiologyHeart Septal Defects, Atrial--diagnosisHumansMale