TY - BOOK AU - AU - Williams,Peter L. AU - Treadgold,Sylvia AU - Williams,Peter L. TI - Basic human embryology SN - 0272797200 (pbk.) : AV - QM 601 .W46 1984 U1 - 612/.64 19 PY - 1984/// CY - Marshfield, MA PB - Pitman Pub. Co. KW - Embryology, Human KW - Embryology N1 - Rev. ed. of: Basic human embryology / P.L. Williams. 2nd ed. 1969; Includes index ER -