title: Colonoscopy screening in average-risk individuals ages 40-49 versus 50-59 years.
authors.forename: Thomas
authors.initials: T
authors.lastname: Zarchy
mesh_terms: D000236:Adenoma / Q000175:diagnosis*; D000328:Adult; D000367:Age Factors; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012812:Sigmoidoscopy