No abstract available
MeSH terms
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Asthma / diagnosis
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Bronchiectasis / diagnosis
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Bronchitis / diagnosis
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Humans
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Iodine Radioisotopes*
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Lung Diseases, Obstructive / diagnosis*
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Pulmonary Embolism / diagnosis*
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Pulmonary Emphysema / diagnosis
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Radionuclide Imaging*
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Respiratory Function Tests
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Ventilation-Perfusion Ratio