title: Hypersensitivity pneumonitis due to exposure to budgerigars.
mesh_terms: D000328:Adult; D000367:Age Factors; D000485:Allergens; D000818:Animals; D000906:Antibodies / Q000032:analysis; D005241:Feathers; D005260:Female; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000209:etiology* / Q000276:immunology / Q000503:physiopathology; D011563:Psittaciformes; D012129:Respiratory Function Tests; D012130:Respiratory Hypersensitivity / Q000209:etiology* / Q000276:immunology / Q000503:physiopathology; D012737:Sex Factors; D012882:Skin Tests; D013997:Time Factors
chemical_list: D000485:Allergens; D000906:Antibodies; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins