Brightwell, Rachel Poorly differentiated Sertoli-Leydig tumor with heterologous, high-grade, sarcomatoid features: A case report. [electronic resource] - Gynecologic oncology reports Nov 2015 - 6-8 p. digital Publication Type: Case Reports; Journal Article ISSN: 2352-5789 Standard No.: 10.1016/j.gore.2015.08.001 doi