Obstetrics : normal and problem pregnancies / [edited by] Steven G. Gabbe ... [et al.]. - 7th ed. - Philadelphia : Elsevier, c2017 - xvii, 1295 p. : ill. (some col.) ; 29 cm. Includes bibliographical references and index. ISBN: 9780323321082 LCCN: 2012010069 Subjects--Topical Terms: Obstetrics--methods.Pregnancy Complications.Pregnancy. LC Class. No.: RG524 / .O3 2012 Dewey Class. No.: 618.2 / O14 National Library of Medicine Call No.: WQ 100