Hamilton Naki and Christiaan Barnard versus Vivien Thomas and Alfred Blalock: similarities and dissimilarities.
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Tsung O
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D006348:Cardiac Surgical Procedures / Q000266:history*; D002322:Career Mobility; D016027:Heart Transplantation / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011287:Prejudice; D013019:South Africa; D013903:Thoracic Surgery / Q000266:history*; D014481:United States