title: Management of Henoch-Schönlein purpura and polyarteritis nodosa.
mesh_terms: D000328:Adult; D000783:Aneurysm / Q000209:etiology / Q000628:therapy; D002648:Child; D006801:Humans; D011695:IgA Vasculitis / Q000150:complications*; D007410:Intestinal Diseases / Q000209:etiology / Q000628:therapy; D007443:Intussusception / Q000209:etiology / Q000628:therapy; D010195:Pancreatitis / Q000209:etiology / Q000628:therapy; D010488:Polyarteritis Nodosa / Q000150:complications*