Nguyen, Thi Quynh Nga, et al. “Survey on the Rate of D-Dimer Increase and Some Related Factors in COVID-19 Patients at Danang Hospital for Lung Diseases”. Journal of Clinical Medicine Hue Central Hospital, vol. 15, no. 84, Jan. 2023, pp. 80-86, doi:10.38103/jcmhch.84.11.