Williams Obstetrics Obstetrics / F. Gary Cunningham, Paul C. MacDonald, Norman F. Gant,...[et al.] - 20a ed. - Stamford, Connecticut : Appleton & Lange : A Simon & Schuster Company, 1997 - viii, 1448 p. : il. ; 28 cm. Incluye bibliografía e índice. Bib. Med. ISO 2018 ISBN: 083859638X Subjects--Topical Terms: Obstetricia LC Class. No.: RG524 / W55 1997