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1Periodical
المؤلفون: Gottschalk, Louis A., Kapp, Fred T., Ross, W. Donald, Kaplan, Stanley M., Silver, Hyman, MacLeod, John A., Kahn, Julius B., Van Maanen, E. Florus, Acheson, George H.
المصدر: JAMA: Journal of the American Medical Association; July 1956, Vol. 161 Issue: 11 p1054-1058, 5p