Statistics for occurrence #1 of “Operative Surgery” in entry agnew-david-hayes of Harper's Encyclopedia of United States History:

...e Orthopaedic hospitals, all in Philadelphia. During the Civil War he became widely known as a daring and successful operator in cases of gunshot wounds. After the war he was elected Professor of Operative Surgery and of the Principles and Practice of Surgery at the University of Pennsylvania. Dr. Agnew was the consulting and operating surgeon in the case of President Garfield in 1881. Among his numerous pub...
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