Hamlin MJ, Hellemans J.: Effect of intermittent normobaric hypoxic exposure at rest on haematological, physiological, and performance parameters in multisport athletes. J Sports Sci. 25(4): 431-441, 2007.
Hamlin MJ, Marshall HC, Hellemans J, et al: Effect of intermittent hypoxic training on 20 km time trial and 30 s anaerobic performance. Scand J Med Sci Sports. 20(4): 651-661, 2010.