title: Letter: Immunological features of Wegener's granulomatosis.
mesh_terms: D002464:Cell Migration Inhibition; D014890:Granulomatosis with Polyangiitis / Q000209:etiology / Q000276:immunology*; D006801:Humans; D006968:Hypersensitivity, Delayed; D007105:Immune Complex Diseases / Q000150:complications; D008213:Lymphocyte Activation; D012882:Skin Tests