Sones' laws of clinical conduct.
Proudfit
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Department of Cardiology, Cleveland Clinic Foundation, OH 44195, USA.
D002309:Cardiology / Q000266:history*; D017023:Coronary Angiography / Q000266:history; D049673:History, 20th Century; D006784:Hospitals, Teaching / Q000266:history; D006801:Humans; D010686:Philosophy, Medical / Q000266:history; D014481:United States