Echinacea purpurea supplementation does not enhance VO2max in distance runners - Baumann, C. W.; Bond, K. L.; Rupp, J. C.; Ingalls, C. P.; Doyle, J. A. (The Journal of Strength and Conditioning Research, 2014)
Keywords: long distance running; supplementation; O2-uptake; maximum; USA; biological and medical sciences; endurance sports