The Association between D-dimer Levels and Thromboembolism, Worsening Severity, and Mortality among Hospitalized Adults with COVID-19. Acta Med Philipp [Internet]. 2021 Dec. 2 [cited 2025 Apr. 5];. Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/4153