Basic human embryology / [by] P.L. Williams, C.P. Wendell-Smith [and] Sylvia Treadgold. Williams, Peter L. (Peter Llewellyn) Wendell Smith, C. P. (Colin Peter) joint author. Treadgold, Sylvia, joint author. Embryology, Human. QM601 .W5 1966 612.64 WIB includes Bibliography & index. London, Pitman Medical 1966. 1966. 1966 Text 136 p. : eng