title: The immunopathologic basis of hypersensitivity pneumonitis.
mesh_terms: D000542:Alveolitis, Extrinsic Allergic / Q000175:diagnosis* / Q000276:immunology / Q000473:pathology; D000818:Animals; D004195:Disease Models, Animal; D006801:Humans; D007116:Immunization, Passive; D008168:Lung / Q000276:immunology* / Q000473:pathology