Scudder, J. M. (1900). The principles of medicine (7th ed.). Scudder Bros..
Lua i Stíl Chicago (17ú heag.)Scudder, John M. The Principles of Medicine. 7th ed. Cincinnati: Scudder Bros., 1900.
Lua MLA (8ú heag.)Scudder, John M. The Principles of Medicine. 7th ed. Scudder Bros., 1900.
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