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2. The visible vessel as an indicator of uncontrolled or recurrent gastrointestinal haemorrhage;Griffiths, W.I.; Neumann, D.A.; Welsh, J.D.;N Engl Y Med,1979
3. Endoscopic prediction of recurrent bleeding in peptic ulcers;Storey, D.W.; Bown, S.G.; Swain, C.P.; Salmon, P.R.; Kirkham, J.S.; Northfield, T.C.;N Engl J Med,1981
4. Endoscopic prediction of major rebleeding - a prospective study of stigmata of haemorrhage;Wara, P.
5. The national ASGE survey on upper gastrointestinal bleeding. II. Clinical prognostic factors;Silverstein, F.E.; Gilbert, D.A.; Tedesco, F.J.;Gastrointest Endosc,1981