“Determination of Anti-HBs Titers Among Health-Care Workers in a Tertiary Care Hospital in Delhi: A Cross-Sectional Study”. Student’s Journal of Health Research Africa 7, no. 3 (March 30, 2026): 9. Accessed August 12, 2026. https://sjhrafrica.org.sjhresearchafrica.org/index.php/public-html/article/view/2658.