Iftikhar, Sana, and Shahid Mahmood Sethi. “Penicillin: A Journey from a Magic Bullet to a Resistant Drug”. JAIMC Journal of Allama Iqbal Medical College 20, no. 1 (March 30, 2022). Accessed October 24, 2026. https://jms.jaimc.org/index.php/jaimc/article/view/364.