J. A. Guenette, Sporer, B. C., Macnutt, M. J., Coxson, H. O., A Sheel, W., Mayo, J. R., and McKenzie, D. C.,
“Lung density is not altered following intense normobaric hypoxic interval training in competitive female cyclists.”,
J Appl Physiol (1985), vol. 103, no. 3, pp. 875-82, 2007.