Appendicectomy, childhood hygiene, Helicobacter pylori status, and risk of inflammatory bowel disease: a case control study.

MLA

Duggan, A. E., et al. “Appendicectomy, Childhood Hygiene, Helicobacter Pylori Status, and Risk of Inflammatory Bowel Disease: A Case Control Study.” Gut, vol. 43, no. 4, Oct. 1998, pp. 494–98. EBSCOhost, https://doi.org/10.1136/gut.43.4.494.

APA

Duggan, A. E., Usmani, I., Neal, K. R., & Logan, R. F. (1998). Appendicectomy, childhood hygiene, Helicobacter pylori status, and risk of inflammatory bowel disease: a case control study. Gut, 43(4), 494–498. https://doi.org/10.1136/gut.43.4.494

Chicago

Duggan, A E, I Usmani, K R Neal, and R F Logan. 1998. “Appendicectomy, Childhood Hygiene, Helicobacter Pylori Status, and Risk of Inflammatory Bowel Disease: A Case Control Study.” Gut 43 (4): 494–98. doi:10.1136/gut.43.4.494.