Ramachandran, Nandhini, and Ganavi Ramagopal. “Prevalence of Seroprotective Antibodies Against Hepatitis B Virus in Immunized Children in a Community Hospital”. Indian Journal of Child Health 5, no. 5 (June 20, 2018): 319–323. Accessed August 28, 2026. https://mansapublishers.com/ijch/article/view/945.