title: Involvement of the complement system in hypersensitivity pneumonitis.
mesh_terms: D000191:Actinomycetaceae / Q000276:immunology; D000542:Alveolitis, Extrinsic Allergic / Q000276:immunology*; D000818:Animals; D001716:Bird Fancier's Lung / Q000276:immunology; D010856:Columbidae; D050577:Complement C3-C5 Convertases; D003181:Complement C4; D011415:Complement Factor B; D003165:Complement System Proteins; D004492:Edetic Acid / Q000494:pharmacology; D004533:Egtazic Acid / Q000494:pharmacology; D006801:Humans
chemical_list: D003181:Complement C4; D004533:Egtazic Acid; D003165:Complement System Proteins; D004492:Edetic Acid; D050577:Complement C3-C5 Convertases; D011415:Complement Factor B