Saeed, Zara, et al. “FREQUENCY OF NAPSIN A POSITIVITY IN OVARIAN CLEAR CELL CARCINOMA AND SEROUS CARCINOMA: Napsin A Positivity in Ovarian Clear Cell Carcinoma”. Pakistan Armed Forces Medical Journal, vol. 68, no. 4, Aug. 2018, pp. 723-28, https://pafmj.org/PAFMJ/article/view/20.