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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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©2013 UpToDate ® Print Email Balantidium microscopy (A) B. coli trophozoite in a Mann's hematoxylin-stained smear, 500x magnification. Note the cytosome (black arrow) and the bean-shaped macronucleus. (B) B. coli trophozoite in a wet mount, 1000x magnification. Note the visible cilia on the cell surface. Reproduced from: Centers for Disease Control and Prevention. Parasites and Health: Balantidiasis. Available at: file://www.dpd.cdc.gov/dpdx/HTML/Balantidiasis.htm .