H. Alam, T. Perveen Umer, L. ` Nazir, U. Erum, N. Alam, and M. Irfan, “Primary Sjögren’s syndrome beyond Sicca symptoms: A rheumatology clinic experience”, J Fatima Jinnah Med Univ, vol. 13, no. 1, pp. 26–29, Apr. 2019, Accessed: Oct. 22, 2026. Available: https://www.jfjmu.com/index.php/ojs/article/view/617