Bretthauer, M Use of a disposable sheath system for flexible sigmoidoscopy in decentralized colorectal cancer screening. [electronic resource] - Endoscopy Oct 2002 - 814-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0013-726X Standard No.: 10.1055/s-2002-34273 doi Subjects--Topical Terms: Colorectal Neoplasms--diagnosisDisposable Equipment--statistics & numerical dataFemaleHumansMaleMass Screening--instrumentationMiddle AgedNorwaySigmoidoscopesSigmoidoscopy--methods