Mansoor, Sahibzada, and Farooq Rathore. 2016. “ASSOCIATION OF RHEUMATOID ARTHRITIS WITH PIGMENTED VILLO NODULAR SYNOVITIS OF KNEE: A CASE REPORT”. KHYBER MEDICAL UNIVERSITY JOURNAL 8 (2), 95-97. https://www.kmuj.kmu.edu.pk/article/view/16021.