B, C., TW, F., M, G., JS, R., E, L., & M, F. (1992). Gastric and duodenal mucosal prostaglandin concentrations in gastric or duodenal ulcer disease: Relationships with demographics, environmental, and histological factors, including Helicobacter pylori. The American journal of gastroenterology, 87(12), 1747.
Chicago Style (17th ed.) CitationB, Cryer, Faust TW, Goldschmiedt M, Redfern JS, Lee E, and Feldman M. "Gastric and Duodenal Mucosal Prostaglandin Concentrations in Gastric or Duodenal Ulcer Disease: Relationships with Demographics, Environmental, and Histological Factors, Including Helicobacter Pylori." The American Journal of Gastroenterology 87, no. 12 (1992): 1747.
MLA (9th ed.) CitationB, Cryer, et al. "Gastric and Duodenal Mucosal Prostaglandin Concentrations in Gastric or Duodenal Ulcer Disease: Relationships with Demographics, Environmental, and Histological Factors, Including Helicobacter Pylori." The American Journal of Gastroenterology, vol. 87, no. 12, 1992, p. 1747.