4Dr E. Pradeep Edwin Paul. 1Dr. KS 2Dr. PN 3Dr. AP, . . A study on clinical and biochemical profile of covid-19 patients receiving oxygen therapy requiring ventilatory support in a tertiary care centre. ijmscrr [Internet]. 2022 Nov. 1 [cited 2024 Dec. 22];5(06):Page: 992-996. Available from: http://ijmscrr.in/index.php/ijmscrr/article/view/369