title: Immunologic mechanisms in hypersensitivity pneumonitis. I. Evidence for cell-mediated immunity and complement fixation in pigeon breeders' disease.
mesh_terms: D000818:Animals; D000936:Antigen-Antibody Complex; D002464:Cell Migration Inhibition; D010856:Columbidae; D003168:Complement Fixation Tests; D005203:Farmer's Lung / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D007106:Immune Sera; D007111:Immunity, Cellular; D007116:Immunization, Passive; D007073:Immunoglobulin E; D008264:Macrophages / Q000276:immunology; D012130:Respiratory Hypersensitivity / Q000276:immunology*; D012882:Skin Tests
chemical_list: D000936:Antigen-Antibody Complex; D007106:Immune Sera; D007073:Immunoglobulin E