Pitt, G. N. (1923). The Changes in Medicine and its Methods in the Past Forty-five Years: President's Address.
Παραπομπή Chicago StylePitt, G. Newton. The Changes in Medicine and Its Methods in the Past Forty-five Years: President's Address. 1923.
Παραπομπή MLAPitt, G. Newton. The Changes in Medicine and Its Methods in the Past Forty-five Years: President's Address. 1923.
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