1. The blood groups in relation to peptic ulceration and carcinoma of colon, rectum, breast, and bronchus: an association between the ABO groups and peptic ulceration;Aird, I.; Bentall, H.H.; Mehigan, J.A.; Roberts, J.A.F.;British Medical Journal,1954
2. Duodenal ulcer in children;Alexander, F.K.;Radiology,1951
3. Het ulcus pepticum op de kinderleeftijd;van Benthem, L.H.B.M.; Hian, Tan Wen;Nederlandsch Ttjdschrift Voor Geneeskunde,1969
4. Surgery in peptic ulceration of stomach and duodenum in infants and children;Bird, C.E.; Limper, M.A.; Mayer, J.M.;Annals of Surgery,1941
5. The effect of operations for peptic ulcer on growth and nutrition of puppies;Boley, S.J.; Krieger, H.; Schwartz, S.; Harandian, B.; Pearlman, B.;Surgery,1965