When and How to Stop Surveillance Colonoscopy in Older Adults: Five Rules of Thumb for Practitioners Maratt, Jennifer K; Calderwood, Audrey H; Saini, Sameer D Maratt, Jennifer K; Calderwood, Audrey H; Saini, Sameer D Less American Journal of Gastroenterology. 113(1):5-7, January 2018. Favorites PDF Get Content & Permissions Buy