title: Effects of patient age and previous operations on completeness of sigmoidoscopy.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002585:Cesarean Section; D005187:Fallopian Tubes / Q000601:surgery; D005260:Female; D005831:Genital Diseases, Female / Q000601:surgery; D006801:Humans; D007044:Hysterectomy; D008026:Ligation; D008875:Middle Aged; D010048:Ovarian Cysts / Q000601:surgery; D011247:Pregnancy; D012812:Sigmoidoscopy; D013514:Surgical Procedures, Operative