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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 f15_33_15903

©2013 UpToDate ® Print Email Streptococcus pyogenes on blood agar Culture of Streptococcus pyogenes on blood agar showing large zones of clear beta-hemolysis around the small colonies. The susceptibility of this organism to bacitracin is demonstrated by the zone of inhibition around the bacitracin-containing disc (A) on the left side of the plate. Courtesy of Harriet Provine.