[Budgerigar breeder's disease--a case report].
D000818:Animals; D000937:Antigen-Antibody Reactions; D006801:Humans; D008875:Middle Aged; D010311:Parrots / Q000276:immunology*; D011563:Psittaciformes / Q000276:immunology*; D012130:Respiratory Hypersensitivity / Q000276:immunology*