Sakala,Elmar P. Obstetrics and Gynecology Board Review Series - 2nd ed. - Philadelphia: Baltimore: Lippincott Williams & Wilkins, A Wolters Kluwer Company, 2000. - 443p. ill. include Bibliographical reference and index. ISBN: 0683307436 pbk. Subjects--Personal Names: ObstetricsGynaecology LC Class. No.: WQ18.2