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Abstract. Background: Chest radiographs (X-rays) are frequently obtained on children with asthma exacerbations who remain hypoxemic after therapy even though their utility has not been evaluated. Objective: To compare X-rays in hypoxemic and non-hypoxemic asthmatic children. Methods: Over 21 months, X-rays were obtained on all persistently hypoxemic asthmatics (117 years, oxygen saturation 93% in...
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