Fakih, Misbah, Faisal Basheer, Qamar uz Khan, Fasih Hashmi, and Hafsa Asad. “Immune Status Against Hepatitis B Infection in Children With Thalassemia Major in Pakistan: A Single-Centre Study”. Pakistan Armed Forces Medical Journal 72, no. 5 (October 30, 2022): 1743-47. Accessed February 3, 2023. https://pafmj.org/index.php/PAFMJ/article/view/3141.