title: Hypersensitivity pneumonitis due to contamination of a car air conditioner.
mesh_terms: D000192:Actinomycetales / Q000276:immunology*; D000328:Adult; D000389:Air Conditioning / Q000295:instrumentation*; D000397:Air Pollution; D000542:Alveolitis, Extrinsic Allergic / Q000209:etiology*; D001336:Automobiles; D006801:Humans; D008297:Male