Sadler, T. W., & Langman, J. (2012). Langman's medical embryology (12th ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
Lua i Stíl Chicago (17ú heag.)Sadler, T. W., agus Jan Langman. Langman's Medical Embryology. 12th ed. New Delhi: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
Lua MLA (9ú heag.)Sadler, T. W., agus Jan Langman. Langman's Medical Embryology. 12th ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
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