Please see the pdf version of the abstract.
Goss, C.; Farley, A.; Moran, K.; and Dobrosielski, D.
"Effect of Dietary Nitrate Supplementation on Step Test Performance at Sea Level and Altitude,"
International Journal of Exercise Science: Conference Proceedings: Vol. 9
, Article 42.
Available at: https://digitalcommons.wku.edu/ijesab/vol9/iss5/42