Baron, J. H., & Harris, A. W. (1995). Duodenal ulcer, gastric acid, and Helicobacter pylori.
Chicago Style aipamenaBaron, J H., and A W. Harris. Duodenal Ulcer, Gastric Acid, and Helicobacter Pylori. 1995.
MLA aipamenaBaron, J H., and A W. Harris. Duodenal Ulcer, Gastric Acid, and Helicobacter Pylori. 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.