title: A prospective study of factors that determine cecal intubation time at colonoscopy.
authors.forename: Ina
authors.initials: I
authors.lastname: Zuber-Jerger
authors.forename: Frank
authors.initials: F
authors.lastname: Kullmann
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002432:Cecum; D002983:Clinical Competence; D003113:Colonoscopy; D006801:Humans; D007441:Intubation, Gastrointestinal; D008875:Middle Aged; D011300:Preoperative Care; D011446:Prospective Studies; D012307:Risk Factors; D013997:Time Factors