Qadir, E., Malik, Q., Zahid, M., Raza, A., Shah, S., & Hussain, S. (2020). COMPARING HEPATITIS B SEROPROTECTION IN PAKISTANI CHILDREN AT 5 AND 6 YEARS OF AGE AFTER EXPANDED PROGRAMME ON IMMUNIZATION (EPI) VACCINATION. Pakistan Armed Forces Medical Journal (PAFMJ), 70(5), 1349-53. Retrieved from https://pafmj.org/index.php/PAFMJ/article/view/5562