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Walt, Alexander J., Implications of fragmentation in surgery on graduate training and certification., Bulletin of the American College of Surgeons, 71, 2, pp. 2-10, (1986)
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Redesigned Certificate, (1987)
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Bull Am Coll Surg, (1986)
9
Bulletin American College of Surgeons, (1986)
10
Ell, Stephen R., Five Hundred Years of Specialty Certification and Compulsory Continuing Medical Education: Venice 1300-1801, JAMA: The Journal of the American Medical Association, 251, 6, pp. 752-753, (1984)
