Thanikachalam R, Elangovan S, Grace J. Prevalence of protective antibody levels against hepatitis B infection among healthcare workers in a tertiary care hospital in India. Asian J Med Sci [Internet]. 2023 Mar. 1 [cited 2024 Sep. 27];14(3):118-21. Available from: https://nepjol.info/index.php/AJMS/article/view/51794