T. Khaliq, W. Aziz, and A. Farooqi, “SPECTRUM OF SYSTEMIC SCLEROSIS IN PATIENTS PRESENTING TO A TERTIARY CARE HOSPITAL IN PAKISTAN: Spectrum of Systemic Sclerosis”, Pak Armed Forces Med J, vol. 64, no. 4, pp. 591–5, Dec. 2014, Accessed: Aug. 30, 2025. [Online]. Available: https://www.pafmj.org/PAFMJ/article/view/1650