Tahir, Muhammad Junaid, Muhammad Zubair Wazir, and Irfan Ullah. “BARRIERS TO IMMUNIZATION IN PAKISTAN”. Annals of Allied Health Sciences 6, no. 1 (June 30, 2020). Accessed November 24, 2024. https://aahs.kmu.edu.pk/index.php/aahs/article/view/103.