Krupp, M. A., & Chatton, M. J. (1983). Current Medical diagnosis & treatment.
Lua i Stíl Chicago (17ú heag.)Krupp, Marcus A., agus Milton J. Chatton. Current Medical Diagnosis & Treatment. 1983.
Lua MLA (9ú heag.)Krupp, Marcus A., agus Milton J. Chatton. Current Medical Diagnosis & Treatment. 1983.
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