Sauer, M V Quadruplet pregnancy in a 51-year-old menopausal woman following oocyte donation. [electronic resource] - Human reproduction (Oxford, England) Dec 1993 - 2243-4 p. digital Publication Type: Case Reports; Journal Article ISSN: 0268-1161 Standard No.: 10.1093/oxfordjournals.humrep.a138011 doi Subjects--Topical Terms: Embryo TransferEstrogen Replacement TherapyFemaleHumansMenopause--physiologyMiddle AgedOocytesPregnancyPregnancy, MultipleQuadrupletsRisk FactorsTissue Donors