1. Requests for X-Ray examinations from general practitioners and hospital out-patients;Anderson, J.A.D.;Lancet,1968
2. Pseudo-ulcer and true peptic ulcer;Barfred, A.,1959
3. A study of symptomatic and 'silent' gallstone;Bouchier, I.A.D.; Rhodes, K.; Brien, M.;Scandinavian Journal of Gastroenterology,1968
4. Discriminant analysis of data in ulcer and non-ulcer populations;Cleator, I.G.M.; Stoller, J.L.; Nunn, P.N.; Holubitsky, I.B.; Johnstone, F.R.C.; Harrison, R.C.;American Journal of Digestive Diseases,1973
5. Variation of bowel habit in two population samples;Connell, A.M.; Hilton, C.; Irvine, G.; Lennard-Jones, J.E.; Misiewicz, J.J.;British Medical Journal,1965