1. Remarks on peptic ulcer;Aitken, A.B.;W. Afr. nmed. J,1933
2. Pyloric obstruction complicating peptic ulceration in childhood;Antia, A.U.; Solanke, T.F.;Ibid,1967
3. Post-bulbar duodenal ulceration in Nigeria;Barton, C.J.; Cockshott, W.P.;Brit. J. Radiol,1961
4. Choledochoduodenal fistula;Cogbill, C.L.; Roth, H.P.,1953
5. Duodenal fistula, with special reference to choledochoduodenal fistula complicating duodenal ulcer;Craighead, C.C.; St. Raymond, Jr, A.H.;Amer. J. Surg,1954