title: Letter: Immunological features of Wegener's granulomatosis.
mesh_terms: D003165:Complement System Proteins / Q000302:isolation & purification; D003520:Cyclophosphamide / Q000627:therapeutic use; D005455:Fluorescent Antibody Technique; D014890:Granulomatosis with Polyangiitis / Q000188:drug therapy / Q000209:etiology / Q000276:immunology*; D006801:Humans; D006968:Hypersensitivity, Delayed; D007105:Immune Complex Diseases / Q000150:complications; D007136:Immunoglobulins / Q000302:isolation & purification; D007668:Kidney / Q000276:immunology
chemical_list: D007136:Immunoglobulins; D003520:Cyclophosphamide; D003165:Complement System Proteins