References
- Storey D, Bown S, Swain P et al. Endoscopic prediction of recurrent bleeding in peptic ulcer. N Engl J Med. 1981; 305: 915–8.
- Editorial. Bleeding ulcers: scope for improvement. Lancet. 1984; i: 715–7.
- Dronfield M, Atkinson M, Langman M. Effect of different operation policies on mortality from bleeding peptic ulcer. Lancet. 1979; i: 1126–8.