An introduction to embryology / B.I. Balinsky ; assisted by B.C. Fabian. Balinsky, B. I. (Boris Ivan), 1905- Fabian, B. C. Embryology. QL955 .B184 1981 574.3 19 BAI Includes index. Bibliography: p. 716-746. Philadelphia : Saunders College Pub., c1981. c1981. 1981 Text xiv, 768 p. : eng