Dr Sobhya Karamullah et al. 2024. SERUM VITAMIN D LEVELS IN COVID PNEUMONIA PATIENTS ADMITTED TO ICU: CORRELATION WITH SEVERITY AND OUTCOME. Journal of Population Therapeutics and Clinical Pharmacology. 31, 9 (Sep. 2024), 2815–2825. DOI:https://doi.org/10.53555/7wm7bc42.