SA, Dilip Kumar, and Alaka Sahu. “Clinico-Pathological Profile of Systemic Sclerosis in a Tertiary Care Center”. Journal of Pakistan Association of Dermatologists 28, no. 4 (February 17, 2019): 431–437. Accessed March 3, 2026. https://www.jpad.com.pk/index.php/jpad/article/view/1153.