title: Gastrointestinal haemorrhage complicating Wegener's granulomatosis.
mesh_terms: D000328:Adult; D000368:Aged; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D014890:Granulomatosis with Polyangiitis / Q000150:complications*; D006801:Humans; D008297:Male