title: Hypersensitivity pneumonitis due to contaminated home environments.
mesh_terms: D000192:Actinomycetales; D000485:Allergens; D004391:Dust; D004777:Environment; D004781:Environmental Exposure; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D011014:Pneumonia / Q000209:etiology*; D012621:Seasons
chemical_list: D000485:Allergens; D004391:Dust