No abstract available
MeSH terms
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Animals
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Antigens / adverse effects*
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Antigens / immunology*
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Bedding and Linens / adverse effects*
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Bird Fancier's Lung / diagnosis*
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Bird Fancier's Lung / etiology*
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Bronchial Provocation Tests
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Chronic Disease
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Diagnosis, Differential
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Feathers / immunology*
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Humans
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Inhalation Exposure / adverse effects*
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Male
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Middle Aged