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. 2020 Aug 10;55(11):2913–2923. doi: 10.1002/ppul.24993

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This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

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Ultrasound lung injury score. Ultrasound images captured at baseline, 1 hour posttreatment and at end of study; scores are represented as mean ± SE for each group. Anterior measurements (A) are cumulative values obtained from (i) upper, (ii) lower, and (iii) lateral zones; posterior values (B) obtained from a single posterolateral zone per lung. (C) Total lung ultrasound score is the sum of anterior (three zones) and posterior (one zone) images per lung. Histograms show the measurement at the stabilized timepoint for individual zones studied. (N = 5; *P < .05, **P < .01, ***P < .001 compared with the control group; ^# P < .05, ^## P < .01, ^### P < .001 compared with the moderate group) [Color figure can be viewed at wileyonlinelibrary.com]