No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Alveolitis, Extrinsic Allergic / blood*
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Biomarkers / blood
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Bronchoalveolar Lavage Fluid / chemistry
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Chronic Disease
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Humans
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Idiopathic Pulmonary Fibrosis / blood*
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Middle Aged
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Pulmonary Surfactant-Associated Protein A / blood*
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Respiratory Function Tests
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Retrospective Studies
Substances
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Biomarkers
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Pulmonary Surfactant-Associated Protein A