Volatile organic compounds in exhaled breath reflect physiological changes in ultramarathon runners

By Hsuan Chou, Kayleigh Arthur, Elen Shaw, Chad Schaber, Billy Boyle, Max Allsworth, Agnieszka Smolinska, Eli F. Kelley, Glenn M. Stewart, Courtney M. Wheatley, Jesse Schwartz, Catlin C. Fermoyle, Briana L. Ziegler, Kay A. Johnson, Paul Robach, Patrick Basset, Bruce D. Johnson