Butt, Danial Qasim, et al. “IMMUNOHISTOCHEMICAL EXPRESSION OF WILM’S TUMOR (WT1) MARKER IN HISTOLOGICAL GRADES OF ORAL SQUAMOUS CELL CARCINOMA”. Pakistan Oral & Dental Journal, vol. 38, no. 4, Mar. 2019, pp. 436-40, https://www.podj.com.pk/index.php/podj/article/view/312.