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The situation, therefore, is that the internist believes he can diagnose heart disease in life but can state only in a general way the patient's chances under operaton, while the surgeon may deny his ability to discover heart disease while the patient is alive, but often confidently makes such a diagnosis if the patient dies.—H. B. Sprague (1929)2
C. PRYS‐ROBERTS (1979) studied this question.
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