No abstract available
Publication types
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Letter
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Observational Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Alveolitis, Extrinsic Allergic / classification*
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Alveolitis, Extrinsic Allergic / diagnosis*
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Diagnosis, Differential
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Diagnostic Techniques, Respiratory System / standards*
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Female
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Humans
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Idiopathic Pulmonary Fibrosis / classification*
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Idiopathic Pulmonary Fibrosis / diagnosis*
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Male
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Middle Aged
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Practice Guidelines as Topic*
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Retrospective Studies