Blinded assessment of the flat adenoma in the national polyp study (NPS) does not demonstrate an excess risk for high grade dysplasia initially or for advanced adenomas at surveillance
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A. Zauber | S. Winawer | M. O'brien | L. Gottlieb | S. Sternberg | J. Waye | M. Schapiro | J. Bond | C. Magrath | M. Bushey | Marijayne T. Bushey