Langman, Jan. Medical embryology; human development, normal and abnormal. - Baltimore, Williams and Wilkins Co., 1963. - 335 p. illus. 24 cm. Includes bibliography. LCCN: 63019754 Subjects--Topical Terms: Embryology, Human.Abnormalities, Human. LC Class. No.: QM 601 .L35 1963 / .L35 Dewey Class. No.: 612.64