title: Screening colonoscopy: is it time?
authors: Division of Gastroenterology, Hotel Dieu Hospital, Kingston, ON. simonj@post.queensu.ca
authors: J B
authors: JB
authors: Simon
mesh_terms: D000368:Aged; D002170:Canada; D003110:Colonic Neoplasms / Q000401:mortality / Q000517:prevention & control*; D003113:Colonoscopy / Q000191:economics; D003362:Cost-Benefit Analysis; D006291:Health Policy; D006801:Humans; D008403:Mass Screening / Q000191:economics; D008875:Middle Aged; D011237:Predictive Value of Tests; D012812:Sigmoidoscopy / Q000191:economics; D014481:United States / Q000453:epidemiology