1. Effect of smoking on the production and maintenance of gastric and duodenal ulcers;Doll, R.; Jones, F.A.; Pygott, F.;Lancet,1958
2. Factors influencing the healing rate of chronic gastric ulcer;Herrmann, R.P.; Piper, D.W.;Am J Dig Dis,1973
3. Healing of duodenal ulcer with an antacid regimen;Peterson, W.L.; Sturdevant, R.A.L.; Frankl, H.D.;N Engi J Med,1977
4. Effect of smoking on duodenal ulcer healing with cimetidine and oxmetidine;Gugler, R.; Rohner, H.G.; Kratochvil, P.; Brandstatter, G.; Schmidt, H.;Cut,1982
5. Ranitidine in duodenal ulcer: incidence of healing and effect of smoking;Korman, M.G.; Hansky, J.; Merrett, A.C.; Schmidt, G.T.;Dig Dis Sci,1982