Flexible sigmoidoscopy.
Dewar
M A
MA
Curry
R W
RW
Perchalski
J E
JE
D001706:Biopsy; D003111:Colonic Polyps / Q000473:pathology* / Q000517:prevention & control; D006801:Humans; D008875:Middle Aged; D010821:Physicians, Family; D012812:Sigmoidoscopy