Iqbal, Rana Khalid, Alia Imtiaz, Anzeela Yousaf, Fatima Kanwal, and Muhammad Baber. “Vaccination Against Hepatitis B Virus through Various Strategies”. National Journal of Health Sciences 6, no. 3 (April 5, 2022): 123-127. Accessed April 27, 2024. https://ojs.njhsciences.com/index.php/njhs/article/view/223.