title: Hypersensitivity pneumonitis: current concepts of etiology and pathogenesis.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D004195:Disease Models, Animal; D006649:Histocompatibility Antigens; D006801:Humans; D006968:Hypersensitivity, Delayed; D007073:Immunoglobulin E; D008263:Macrophage Migration-Inhibitory Factors / Q000032:analysis; D011014:Pneumonia / Q000209:etiology / Q000276:immunology; D012130:Respiratory Hypersensitivity / Q000209:etiology / Q000276:immunology; D012882:Skin Tests
chemical_list: D000906:Antibodies; D006649:Histocompatibility Antigens; D008263:Macrophage Migration-Inhibitory Factors; D007073:Immunoglobulin E