Chen, C., & Brenner, H. (2017). Colonoscopy and sigmoidoscopy use among older adults in different countries: A systematic review. Preventive medicine, 103, . https://doi.org/10.1016/j.ypmed.2017.07.021
Chicago-Zitierstil (17. Ausg.)Chen, Chen, und Hermann Brenner. "Colonoscopy and Sigmoidoscopy Use Among Older Adults in Different Countries: A Systematic Review." Preventive Medicine 103 (2017). https://doi.org/10.1016/j.ypmed.2017.07.021.
MLA-Zitierstil (9. Ausg.)Chen, Chen, und Hermann Brenner. "Colonoscopy and Sigmoidoscopy Use Among Older Adults in Different Countries: A Systematic Review." Preventive Medicine, vol. 103, 2017, https://doi.org/10.1016/j.ypmed.2017.07.021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.