1. Recurrent gastrointestinal bleeding of obscure origin: report of 17 cases and a guide to logical management;Spiller, R.C.; Parkins, R.A.,1983
2. Haematemesis and melaena, with special reference to factors influencing the outcome;Schiller, K.F.R.; Truelove, S.L.; Gwyn Williams, D.;BrMedJ,1970
3. Avery-Jones F, Read AE, Stubbe JL. Alimentary bleeding of obscure origin: follow up study and commentary;BrMedJ,1959
4. Gastrointestinal haemorrhage from a second source in patients with colonic angiodysplasia;Steger, A.C.; Galland, R.B.; Hemingway, A.P.;BrJ Surg,1987
5. The importance of laparotomy in the diagnosis and management of intestinal bleeding of obscure origin;Brearly, S.; Hawker, P.C.; Dorricott, N.J.;Annals of the Royal College of Surgeons of England,1986