618.2 Williams, J. Whitridge Williams obstetrics. - 18th ed. / F. Gary Cunningham, Paul C. MacDonald, Norman F. Gant. - Norwalk, Conn. : Appleton & Lange, c1989. - viii, 984 p. : ill. ; 29 cm. - Includes bibliographies and index. english ISBN: 083859736X LCCN: 88034287 Түлхүүр үг: Obstetrics., Obstetrics., LC Class. No.: RG524 / .W7 1989 National Library of Medicine Call No.: WQ 100 W724w