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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 f32_3_32820

©2013 UpToDate ® Print Email Eumycetoma: Black grain direct exam Direct examination of a black grain with 20 percent potassium hydroxide (KOH) solution. Note the broad, septate and branching hyphae, with large swollen cells (x400). Courtesy of Beatriz Bustamante, MD.