article 1991 Clear cell carcinoma arising in extraovarian endometriosis: Report of three cases and review of the literature ·doi:10.1016/0020-7292(91)90754-s
review 1990 Clear cell carcinoma arising in extraovarian endometriosis: Report of three cases and review of the literature Gynecologic oncology ·doi:10.1016/0090-8258(90)90259-n