APA (7th ed.) Citation

T, D., C, B., M, L., & G, B. P. (1992). Long-term omeprazole monotherapy is ineffective against Helicobacter pylori infection. The American journal of gastroenterology, 87(5), 681.

Chicago Style (17th ed.) Citation

T, D'Adda, Bordi C, Lazzaroni M, and Bianchi Porro G. "Long-term Omeprazole Monotherapy Is Ineffective Against Helicobacter Pylori Infection." The American Journal of Gastroenterology 87, no. 5 (1992): 681.

MLA (9th ed.) Citation

T, D'Adda, et al. "Long-term Omeprazole Monotherapy Is Ineffective Against Helicobacter Pylori Infection." The American Journal of Gastroenterology, vol. 87, no. 5, 1992, p. 681.

Warning: These citations may not always be 100% accurate.