J. Mohtadinia, M. Hozoori, H. Babaei, S. Arefhosseini, H. Kooshavar, and S. Sabour, “Effects of Carnitine with and without Glutamine Supplementation on Markers of Muscle Damage and Muscle Soreness among Football Players: A Randomized Controlled Clinical Trial”, Galen Med J, vol. 3, no. 4, p. e177, Nov. 2014.