Coull, N. A., Watkins, S. L., Aldous, J. W. F., Warren, L. K., Chrismas, B. C. R., Mauger, A. R., …Taylor, L. (2015). Effect of tyrosine ingestion on cognitive and physical performance utilising an intermittent soccer performance test (iSPT) in a warm environment. European journal of applied physiology, 115(2), 373-386. https://doi.org/10.1007/s00421-014-3022-7