APA

Adamopoulos A. B., Efstathiou S. P., Tsioulos D. I., Tzamouranis D. G., Tsiakou A. G., Tiniakos D. & Mountokalakis T. D. (20040427). Bleeding duodenal ulcer: comparison between Helicobacter pylori positive and Helicobacter pylori negative bleeders. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Chicago

Adamopoulos A B, Efstathiou S P, Tsioulos D I, Tzamouranis D G, Tsiakou A G, Tiniakos Dina and Mountokalakis T D. 20040427. Bleeding duodenal ulcer: comparison between Helicobacter pylori positive and Helicobacter pylori negative bleeders. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Harvard

Adamopoulos A. B., Efstathiou S. P., Tsioulos D. I., Tzamouranis D. G., Tsiakou A. G., Tiniakos D. and Mountokalakis T. D. (20040427). Bleeding duodenal ulcer: comparison between Helicobacter pylori positive and Helicobacter pylori negative bleeders. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

MLA

Adamopoulos A B, Efstathiou S P, Tsioulos D I, Tzamouranis D G, Tsiakou A G, Tiniakos Dina and Mountokalakis T D. Bleeding duodenal ulcer: comparison between Helicobacter pylori positive and Helicobacter pylori negative bleeders. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver. 20040427.