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. 2016 Feb 22;3:10.3402/ecrj.v3.31096. doi: 10.3402/ecrj.v3.31096

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© 2016 Sandra D. Anderson

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material for any purpose, even commercially, provided the original work is properly cited and states its license.

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Fig. 13 — Classification of the response to mannitol in terms of the provoking dose of powder delivered from the capsules required to induce a 15% fall in FEV₁ (PD₁₅). For normal subjects, the mean plus 1 SD is shown. Reproduced with permission from (2), with data for normal subjects from (156).