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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 f39_40_40591

©2013 UpToDate ® Print Email Gram stain of a broth culture of Actinomyces israelii Variable morphologies of these Gram positive organisms are visible, ranging from diptheroidal to coccoid filaments. Courtesy of Dr. Diane L Roscoe, Department of Pathology and Laboratory Medicine, University of British Columbia.