radiation in tobacco Radioactivity of Leaves and Dose Induced from Smoking Radioactivity in Tobacco | US

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Factor analysis of QCT parameters in asthmatic patients and patients with COPD combined determined three components, with proximal airway percentage wall area (%WA), air trapping, and Perc15 (Hounsfield units below which 15% of the voxels lie) values, which can reflect airway remodeling in patients with asthma or COPD to some extent 105

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