Johnson, R A Continued assessment of flexible sigmoidoscopy in a family practice residency. [electronic resource] - The Journal of family practice May 1984 - 723-7 p. digital Publication Type: Journal Article ISSN: 0094-3509 Subjects--Topical Terms: Adenocarcinoma--diagnosisAdenoma--diagnosisAgedColonic Diseases--diagnosisColonic Neoplasms--diagnosisFamily Practice--educationHumansInternship and ResidencyIntestinal Polyps--diagnosisMiddle AgedRectal Diseases--diagnosisRectal Neoplasms--diagnosisSigmoidoscopesSigmoidoscopy--standards