Datta P, Ray Ghosh R, Maji N, Dan U. CLINICAL EVALUATION OF OMICRON SUBVARIANT BA. 2- A HOSPITAL BASED STUDY. Natl J Med Res [Internet]. 2023 Jun. 30 [cited 2024 Jul. 3];13(02):34-8. Available from: https://njmr.in/index.php/file/article/view/953