Mohammed, Sarmad G., Alaa G. Al-Hashimi, and Khadeeja S. Al-Hussainy. 2012. “Determination of Caffeine and Trace Minerals Contents in Soft and Energy Drinks Available in Basrah Markets”. Pakistan Journal of Nutrition 11 (9): 845–848. https://doi.org/10.3923/pjn.2012.845.848.