APA (7th ed.) Citation

Weck, M. N., Gao, L., & Brenner, H. (2009). Helicobacter pylori infection and chronic atrophic gastritis: Associations according to severity of disease. Epidemiology, 20(4), .

Chicago Style (17th ed.) Citation

Weck, Melanie Nicole, Lei Gao, and Hermann Brenner. "Helicobacter Pylori Infection and Chronic Atrophic Gastritis: Associations According to Severity of Disease." Epidemiology 20, no. 4 (2009).

MLA (9th ed.) Citation

Weck, Melanie Nicole, et al. "Helicobacter Pylori Infection and Chronic Atrophic Gastritis: Associations According to Severity of Disease." Epidemiology, vol. 20, no. 4, 2009.

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