Kamoka, Hana, Hesham Edbara, Hamza Mubark, Abdul Muhammad, and Mahmoud AL-Qabaji. “Determining The Caffeine Content of Certain Types of Coffee in Western Libya and Gastrointestinal Symptoms”. Libyan Journal of Medical Research 20, no. 2 (May 6, 2026): 303–331. Accessed June 13, 2026. https://ljmr.ly/index.php/ljmr/article/view/565.