1999. European Helicobacter Pylori Study Group. XIIth international workshop on gastroduodenal pathology and Helicobacter pylori: Helsinki, Finland, 2-4 September 1999, accepted abstracts. London: British Medical Journal.
Citáce podľa APA (7th ed.)(1999). European Helicobacter Pylori Study Group. XIIth international workshop on gastroduodenal pathology and Helicobacter pylori: Helsinki, Finland, 2-4 September 1999, accepted abstracts. British Medical Journal.
Citácia podle Chicago (17th ed.)European Helicobacter Pylori Study Group. XIIth International Workshop on Gastroduodenal Pathology and Helicobacter Pylori: Helsinki, Finland, 2-4 September 1999, Accepted Abstracts. London: British Medical Journal, 1999.
Citácia podľa MLA (8th ed.)European Helicobacter Pylori Study Group. XIIth International Workshop on Gastroduodenal Pathology and Helicobacter Pylori: Helsinki, Finland, 2-4 September 1999, Accepted Abstracts. British Medical Journal, 1999.
