1. Bonsignore MR, Morici G, Riccobono L, Insalaco G, Bonanno A, Profita M, et al. Airway inflammation in nonasthmatic amateur runners. American J Physiol. 2001;281(3):L668–76.
2. Helenius I, Lumme A, Haahtela T. Asthma, airway inflammation and treatment in elite athletes. Sports Med. 2005;35(7):565–74.
3. Peters EM, Bateman E. Ultramarathon running and upper respiratory tract infections. S Afr Med J. 1983;64(15):582–4.
4. Nieman D, Johanssen L, Lee J, Arabatzis K. Infectious episodes in runners before and after the Los Angeles Marathon. J Sports Med Phys Fitness. 1990;30(3):316–28.
5. Nieman DC. Exercise, upper respiratory tract infection, and the immune system. Med Sci Sports Exerc. 1994;26(2):128–39.