Bird fanciers' lung disease.
D000542:Alveolitis, Extrinsic Allergic / Q000276:immunology*; D000818:Animals; D001716:Bird Fancier's Lung / Q000276:immunology* / Q000473:pathology; D001717:Birds; D004391:Dust; D006801:Humans; D008168:Lung / Q000473:pathology; D011998:Recreation
D004391:Dust