Wynn, Ralph M. Obstetrics and gynecology : the clinical core / Ralph M. Wyn. - 4th ed. - Philadelphia : Lea & Febiger, 1988. Bibliographies ISBN: 0812111087 Subjects--Topical Terms: GynecologyObstetrics -- Study and teaching--Obstetrics -- Study and teaching LC Class. No.: RG101 / Wyn 1988