Raja, Waseem, Jahanzeb Liaqat, Waseem Wali, Sidra Waseem, and Muhammad Javad Yousaf. 2018. “NEUROLOGICAL MANIFESTATIONS OF PRIMARY SJOGREN’S SYNDROME (PSS): Primary Sjogren’s Syndrome”. Pakistan Armed Forces Medical Journal 68 (5):1424-28. https://pafmj.org/PAFMJ/article/view/2336.