Looking back and looking forward.
Cohn
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JN
D002309:Cardiology / Q000639:trends*; D005544:Forecasting; D006333:Heart Failure / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006801:Humans; D010506:Periodicals as Topic / Q000639:trends; D013577:Syndrome; D014481:United States