Zahoor, Muhammad Asif, Muhammad Hidayat Rasool, Muhammad Waseem, Bilal Aslam, Muhammad Kashif Zahoor, Muhammad Saqalein, Zeeshan Nawaz, and Rabia Sahar. “Prevalence of Measles in Vaccinated and Non-Vaccinated Children”. EXCLI Journal 14 (April 1, 2015): 504–507. Accessed June 1, 2023. https://www.excli.de/index.php/excli/article/view/560.