Semerdjian, G Flexible sigmoidoscopy for screening in primary practice. A key to improved survival in colon cancer. [electronic resource] - Postgraduate medicine Sep 1985 - 47-50 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0032-5481 Standard No.: 10.1080/00325481.1985.11699111 doi Subjects--Topical Terms: AdultAgedColonic Diseases--diagnosisColonic Neoplasms--mortalityFemaleFiber Optic TechnologyHemorrhoids--diagnosisHumansIntestinal Polyps--diagnosisMaleMiddle AgedPhysicians, FamilyRectal Neoplasms--prevention & controlRoleSigmoidoscopy