Musselman, M. M. (1956). Terramycin: Oxytetracycline. Medical Encyclopedia.
Lua i Stíl Chicago (17ú heag.)Musselman, Merle M. Terramycin: Oxytetracycline. Nueva York: Medical Encyclopedia, 1956.
Lua MLA (9ú heag.)Musselman, Merle M. Terramycin: Oxytetracycline. Medical Encyclopedia, 1956.
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