R. Bhatia, S. Kaur, S. Mor, N. Kaur, and R. Gupta, “Elevated serum CA 19-9 levels in dermoid cyst: a predictor of ovarian torsion and tissue necrosis?”, Int J Reprod Contracept Obstet Gynecol, vol. 8, no. 6, pp. 2571–2573, May 2019.