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Despite serious reservations expressed during consultation, the National Institute for Health and Care Excellence (NICE) has recently issued referral guidance for suspected colorectal cancer in which faecal occult blood testing (FOBT) is recommended for certain low risk symptomatic patients.1 2 We believe that this will lead to false reassurance and delayed investigations. We should like to point out that:
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Steele et al. (2015) studied this question.
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