Relative Frequency of Upper Gastrointestinal and Colonic Lesions in Patients with Positive Fecal Occult-Blood Tests
When used to screen large populations, guaiac-based fecal occult-blood tests have been shown to prevent death from colorectal cancer. 1 – 3 Nonetheless, drawbacks associated with their use remain, including a high rate of false positive tests (i.e., a lack of specificity), 4 – 6 which can lead to fu...
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Veröffentlicht in: | The New England journal of medicine 1998-07, Vol.339 (3), p.153-159 |
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