IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-7-35882 Original Research Paper Serum Lactate dehydrogenase,C-reactive protein levels and its correlation with severity and prognosis in covid-19 patients in Chengalpattu district. Sankar Dr. Dr Alex Dr. July 2021 10 7 01 02