Nasr, Mustafa Ahmed, and Ayman Mohammed Shehata. “The Effect of Using Carnitine As a Dietary Supplement on Weight Loss and the Effectiveness of the Skill Performance of Boxers”. Journal of Applied Sports Science 7, no. 3 (September 15, 2018). Accessed October 23, 2019. http://jass.alexu.edu.eg/index.php/JASS/article/view/211.