title: Time of day variation in polyp detection rate for colonoscopies performed on a 3-hour shift schedule.
authors.affiliation: Department of Gastroenterology, Mayo Clinic, Rochester, MN 55905, USA.
authors.forename: Gregory W
authors.initials: GW
authors.lastname: Munson
authors.forename: Gavin C
authors.initials: GC
authors.lastname: Harewood
authors.forename: Dawn L
authors.initials: DL
authors.lastname: Francis