TY - BOOK AU - Hafez,E.S.E. ED - Mammalian Fetus Symposium ED - Hoffmann-La Roche, inc. TI - The mammalian fetus: comparative biology and methodology SN - 0398032858 AV - QL959 .M26 1973 U1 - 599/.03/33 19 PY - 1975/// CY - Springfield, Ill. PB - Thomas KW - Mammals KW - Embryology KW - Congresses KW - Fetus N1 - Symposium sponsored by Hoffmann-LaRoche, and others; Includes bibliographical references and index ER -