title: Letter: Patient Description of Rectal Effluents With Photographic Examples as a Predictive Indicator for the Quality of Bowel Preparation.
authors.affiliation: Department of Internal Medicine, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea.
authors.forename: Hyoun Woo
authors.initials: HW
authors.lastname: Kang