1. Observations on the medical use of the white oxyd of bismuth;Marcet;Mem Med Soc London,1805
2. Royal Free Hospital: ulcer of the stomach treated successfully;Brinton;Assoc Med J,1855
3. Correspondence to the editor;Ten Winkel;Aliment Pharmacol Ther,1989
4. Tytgat G N J Axon A T R Dixon M F Graham D Y Lee A. Marshall BJ. Helicobacter priori: causal agent in peptic ulcer disease World Congress in Gastroenterology Working Party Report 1990 36 45
5. Association between infection with Helicobacter pylori and risk of gastric cancer: evidence from a prospective investigation;Forman;Br Med J,1991