Justifying echocardiography in patients with heart failure.
Wright
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D003327:Coronary Disease / Q000000981:diagnostic imaging; D003362:Cost-Benefit Analysis; D004452:Echocardiography; D006333:Heart Failure / Q000000981:diagnostic imaging*; D006801:Humans; D017063:Outcome Assessment, Health Care; D011379:Prognosis