R A Coward, C P Gibbons, C B Brown, A T Raftery, M A Parsons, J R Shortland et al
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Gastrointestinal haemorrhage complicating Wegener's granulomatosis.
Br Med J (Clin Res Ed) 1985; 291 :865
doi:10.1136/bmj.291.6499.865