Pybus, F. C. (1922). The Surgical diseases of children: A handbook for students and practitioners. Blakiston.
Lua i Stíl Chicago (17ú heag.)Pybus, Frederick Charles. The Surgical Diseases of Children: A Handbook for Students and Practitioners. Philadelphia: Blakiston, 1922.
Lua MLA (8ú heag.)Pybus, Frederick Charles. The Surgical Diseases of Children: A Handbook for Students and Practitioners. Blakiston, 1922.
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