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Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

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contentuptodate· Content· item f35_61_36820

©2013 UpToDate ® Print Email Peripheral blood flow cytometric analysis in XLA Top panels: BTK expression in B cells of a normal individual, a patient with XLA, and an individual who carries a BTK mutation. Bottom panels: BTK expression in monocytes of the same individuals as above.