Tzelepis, Elias G Unusual Case of Malignant Struma Ovarii and Cervical Thyroid Cancer Preceded by Ovarian Teratoma: Case Report and Review of the Literature. [electronic resource] - Case reports in endocrinology 2019 - 7964126 p. digital Publication Type: Case Reports; Journal Article ISSN: 2090-6501 Standard No.: 10.1155/2019/7964126 doi