Cite
Helicobacter pylori infection in rural China: demographic, lifestyle and environmental factors
MLA
Brown, L. M., et al. “Helicobacter Pylori Infection in Rural China: Demographic, Lifestyle and Environmental Factors.” International Journal of Epidemiology, vol. 31, no. 3, June 2002, pp. 638–45. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edo&AN=ejs4220917&authtype=sso&custid=ns315887.
APA
Brown, L. M., Thomas, T. L., Ma, J.-L., Chang, Y.-S., You, W.-C., Liu, W.-D., Zhang, L., Pee, D., & Gail, M. H. (2002). Helicobacter pylori infection in rural China: demographic, lifestyle and environmental factors. International Journal of Epidemiology, 31(3), 638–645.
Chicago
Brown, L.M., T.L. Thomas, J-L. Ma, Y-S. Chang, W-C. You, W-D. Liu, L. Zhang, D. Pee, and M.H. Gail. 2002. “Helicobacter Pylori Infection in Rural China: Demographic, Lifestyle and Environmental Factors.” International Journal of Epidemiology 31 (3): 638–45. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edo&AN=ejs4220917&authtype=sso&custid=ns315887.