Figure 2.

Comparison of EVH challenge to mannitol challenge. PD10 = provoking dose 10: cumulative dose in mg of Mannitol to cause a 10% fall in FEV1 (forced expiratory volume in one second); EVH = eucapnic voluntary hyperventilation; results of athletes with positive tests on both challenges are circled.

Osthoff et al. BMC Sports Science, Medicine and Rehabilitation 2013 5:7   doi:10.1186/2052-1847-5-7
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