Rizk, Botros RMB Challenging Office cases in obstetrics and gynecology / by Botros RMB Rizk and Martin E Olsen - New Delhi : Health Science pub., 2017. - xviii, 200p. : ills.; 23 cm. ISBN: 9789352501762 Subjects--Topical Terms: ObstetricsGynecology Dewey Class. No.: 618.2 / R528c