Sadler, T. W. Langman's medical embryology / T.W. Sadler. - 12th ed. - Philadelphia : Lippincott Williams and Wilkins, c2012. - xiii, 384 p. : ill. (some col.) ; 26 cm. Includes index. ISBN: 145114461X (pbk.) Subjects--Topical Terms: Embryology, Human--Textbooks.Abnormalities, Human--Textbooks.Embryology.Congenital Abnormalities.