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. 2016 Mar 17;16:42. doi: 10.1186/s12890-016-0200-x

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© Virchow et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Mean change in average weekly morning PEF. AM ante meridiem (morning), BF budesonide–formoterol, PEF peak expiratory flow, SD standard deviation. Data shown are mean change from baseline on weekly average values. Error bars represent SD. ^a n = 290 at baseline; dropped to n = 263 by week 12. ^b n = 284 at baseline; dropped to n = 256 by week 12