2022. Correlation of D-Dimer Level with Severity of Pneumonia, Hospital Stay and Mortality in Case of Covid-19 Infection: A Retrospective Study an a Tertiary Care Hospital. Indian Journal of Public Health Research & Development. 13, 4 (Oct. 2022), 188–193. DOI:https://doi.org/10.37506/ijphrd.v14i4.18588.