1. The estimation of pepsin with haemoglobin;Anson, M.L.; Mirsky, A.E.;J. gen. Physiol,1932
2. Effect of cigarette smoking on gastric secretions of patients with duodenal ulcer;Cooper, P.; Knight, Jr, J.B.;New Engl. J. Med,1956
3. Effect of smoking on the production and maintenance of gastric and duodenal ulcer;Doll, R.; Jones, F.A.; Pygott, F.;Lancet,1958
4. A new modification of the hemoglobin technic for the determination of pepsin in gastric juice adapted for a wide range of values;Glass, G.B.J.; Pugh, B.L.; Wolf, S.;Rei. Gastroent,1951
5. Gastric response to tobacco smoking;Gray, I.;Amer. J. Surg,1929