Sonnappa, SamathaMartin, RichardIsrael, ElliotPostma, Dirkjevan Aalderen, WimBurden, AnnieUsmani, Omar SPrice, David BrendanRespiratory Effectiveness Group, Small Airways Study Group2017-06-192017-06-192017-06-15Sonnappa, S, Martin, R, Israel, E, Postma, D, van Aalderen, W, Burden, A, Usmani, O S, Price, D B & Respiratory Effectiveness Group, Small Airways Study Group 2017, 'Risk of pneumonia in obstructive lung disease : A real-life study comparing extra-fine and fine-particle inhaled corticosteroids', PloS ONE, vol. 12, no. 6, e0178112. https://doi.org/10.1371/journal.pone.01781121932-6203http://hdl.handle.net/2164/8837The study received institutional support from Teva Pharmaceuticals Europe B.V. Teva did not contribute either in part or in whole, to the collection, analysis, or interpretation of study data, manuscript writing, or the decision to submit the manuscript for publication. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.1692420engJournal ArticleR MedicineRJournal article10.1371/journal.pone.0178112126