Serious complications within 30 days of screening and surveillance colonoscopy are uncommon.

MLA

Ko, Cynthia W., et al. “Serious Complications within 30 Days of Screening and Surveillance Colonoscopy Are Uncommon.” Clinical Gastroenterology and Hepatology : The Official Clinical Practice Journal of the American Gastroenterological Association, vol. 8, no. 2, Feb. 2010, pp. 166–73. EBSCOhost, https://doi.org/10.1016/j.cgh.2009.10.007.

APA

Ko, C. W., Riffle, S., Michaels, L., Morris, C., Holub, J., Shapiro, J. A., Ciol, M. A., Kimmey, M. B., Seeff, L. C., & Lieberman, D. (2010). Serious complications within 30 days of screening and surveillance colonoscopy are uncommon. Clinical Gastroenterology and Hepatology : The Official Clinical Practice Journal of the American Gastroenterological Association, 8(2), 166–173. https://doi.org/10.1016/j.cgh.2009.10.007

Chicago

Ko, Cynthia W, Stacy Riffle, Leann Michaels, Cynthia Morris, Jennifer Holub, Jean A Shapiro, Marcia A Ciol, Michael B Kimmey, Laura C Seeff, and David Lieberman. 2010. “Serious Complications within 30 Days of Screening and Surveillance Colonoscopy Are Uncommon.” Clinical Gastroenterology and Hepatology : The Official Clinical Practice Journal of the American Gastroenterological Association 8 (2): 166–73. doi:10.1016/j.cgh.2009.10.007.