Impact of energy availability, health, and sex on hemoglobin-mass responses following live-high-train-high altitude training in elite female and male distance athletes - Heikura, I. A.; Burke, L. M.; Bergland, D.; Uusitalo, A. L. T.; Mero, A. A.; Stellingwerff, T. (International Journal of Sports Physiology and Performance, 2018)