Stat bite: Use of sigmoidoscopy or proctoscopy in the U.S. by age, 1997.
D000368:Aged; D000369:Aged, 80 and over; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011351:Proctoscopy / Q000706:statistics & numerical data*; D012812:Sigmoidoscopy / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology