Nasrin, Tabassum, Nargis Akhtar, Nandita Ghosh, and Harasit Kumar Paul. “Correlation of Plasma D-Dimer Concentration With Severity of Patients Systemic Sclerosis”. Journal of Pakistan Association of Dermatologists 31, no. 3 (April 10, 2022): 447–453. Accessed February 26, 2026. https://www.jpad.com.pk/index.php/jpad/article/view/1622.