Faecal occult blood testing: sensitivity and specificity.
D000236:Adenoma / Q000175:diagnosis; D002860:Chromium Radioisotopes; D003110:Colonic Neoplasms / Q000175:diagnosis*; D006801:Humans; D008722:Methods; D009780:Occult Blood; D012004:Rectal Neoplasms / Q000175:diagnosis*
D002860:Chromium Radioisotopes