Rosevelt, J Colorectal cancer screening by nurse practitioner using 60-cm flexible fiberoptic sigmoidoscope. [electronic resource] - Digestive diseases and sciences Feb 1984 - 161-3 p. digital Publication Type: Journal Article ISSN: 0163-2116 Standard No.: 10.1007/BF01317059 doi Subjects--Topical Terms: AdultAgedColonic Neoplasms--diagnosisGastrointestinal Hemorrhage--diagnosisHumansIntestinal Polyps--diagnosisMiddle AgedNurse Practitioners--statistics & numerical dataRectal Diseases--diagnosisRectal Neoplasms--diagnosisReferral and ConsultationSigmoidoscopy