Recognising lesions on colonoscopy.
Smith
G A
GA
MacKenzie
S
S
O'Dwyer
P J
PJ
D000367:Age Factors; D000368:Aged; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003113:Colonoscopy; D004739:England; D006801:Humans; D008875:Middle Aged; D012307:Risk Factors; D012606:Scotland