1. The blood groups in relation to peptic ulceration and carcinoma of colon, rectum, breast, and bronchus;Aird, I.; Bentall, H.H.; Mehigan, J.A.; Roberts, J.A.F.;Brit. med. J,1954
2. Influence of the secretor and Lewis genes on susceptibility to duodenal ulcer;Ball, P.A.J.;Ibid,1962
3. The blood groups in peptic ulceration;Brown, D.A.P.; Melrose, A.G.; Wallace, J.;Ibid,1956
4. ABO blood groups and secretor character in duodenal ulcer;Clarke, C.A.; Edwards, J.W.; Haddock, D.R.W.; Howel-Evans, A.W.; McConnell, R.B.; Sheppard, P.M.;Ibid,1956
5. Secretion of blood group substances in duodenal gastric and stomal ulcer, gastric carcinoma, and diabetes mellitus;Doll, R.; Drane, H.; Newell, A.C.;Gut,1961