article 2020 A rare malignant transformation of endometriosis European journal of obstetrics, gynecology, and reproductive biology ·doi:10.1016/j.ejogrb.2020.11.030
case-report 1989 Endometrioid carcinoma of the ovary: an unusual cause of postpartum collapse. Case report British journal of obstetrics and gynaecology ·doi:10.1111/j.1471-0528.1989.tb03364.x