Weak data mire colon screening debate.
Cotton
P
P
D000328:Adult; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003113:Colonoscopy / Q000191:economics; D003362:Cost-Benefit Analysis; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D012812:Sigmoidoscopy / Q000191:economics