Jangamgudem, Sudharani. “A Comprehensive Analysis of Serum D-Dimer and Ferritin Levels, in 347 Patients With Severe (breathlessness and Chest Discomfort) Corona Virus Disease 2019”. International Journal of Research in Medical Sciences 10, no. 3 (February 25, 2022): 655–659. Accessed April 29, 2024. https://www.msjonline.org/index.php/ijrms/article/view/10336.