Abdul Rafay Saleem, Rabia Iftikhar, Syed Messum Ali Kazmi, Ayesha Majeed. “Effects of Caffeine on Mood, Memory and Attention”. Pakistan Journal of Medical & Health Sciences 16, no. 10 (December 11, 2022): 541. Accessed November 21, 2024. https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3172.