Parallel assessment of nutrition and activity in athletes: Validation against doubly labelled water, 24-h urea excretion, and indirect calorimetry - Koehler, K.; Braun, H.; de Marees, M.; Fusch, G.; Fusch, C.; Mester, J.; Schänzer, W. (Journal of Sports Sciences, 2010)
Keywords: energy metobolism; nutrition; triathlon; investigation method; measuring procedure; protein; Great Britain; biological and medical sciences; endurance sports