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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f2_30_2543

©2013 UpToDate ® Print Email CT image of choanal atresia Axial computed tomography (CT) image of choanal atresia. Note the bony narrowing of the posterior nose. Courtesy of Glenn C Isaacson, MD, FAAP, FACS.