Influence of periodizing dietary carbohydrate on iron regulation and immune function in elite triathletes - McKay, A. K. A.; Heikura, I. A.; Burke, L. M.; Peeling, P.; Pyne, D. B.; van Swelm, R. P. L.; Laarakkers, C. M.; Cox. G. R. (International Journal of Sport Nutrition and Exercise Metabolism, 2020)