Özer Etik, Diğdem, et al. “Can a 1-Day Clear Liquid Diet With a Split -Dose Polyethylene Glycol Overcome Conventional Practice Patterns During the Preparation for Screening Colonoscopy?”. Turkish Journal of Gastroenterology, vol. 30, no. 9, Jan. 2019, pp. 817-25, doi:10.5152/tjg.2019.19071.