Effect of Caffeine Contained in Sports Drink on Hormones Producing Energy Following Sprint Test Performance in Male Soccer Players Journal title: International Journal of Medical Research & Health Sciences (IJMRHS) Authors: Mohammad Fayiz Abumoh'd| Assistant Professor of Sports Physiology, Department of Sports Sciences, Fa... Subject(s): Medicine, Biomedicine, Dentistry and Oral Surgery, Oncology, Public Health and Community Medicine