Shohab, S., S. T. Muntaha, J. Zain, J. A. Khan, and R. Ahmad. “Frequency of Hepatitis B Infection in Vaccinated Children With β-Thalassemia Major Receiving Multiple Transfusions”. Journal of Rawalpindi Medical College, vol. 29, no. 4, Dec. 2025, doi:10.37939/jrmc.v29i4.2499.