Afzal, Muhammad Faheem, Muhammad Ashraf Sultan, and Ahmad Imran Saleemi. 2016. “IMMUNE RESPONSE AND ANAMNESTIC IMMUNE RESPONSE IN CHILDREN AFTER A 3-DOSE PRIMARY HEPATITIS B VACCINATION”. Journal of Ayub Medical College Abbottabad 28 (4):715-17. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/801.