Primary Source #163:

Hagen JW, Swoger JM, Grandinetti LM. Cutaneous Manifestations of Crohn Disease. Dermatologic Clinics. 2015;33(3):417-431. doi:10.1016/j.det.2015.03.007

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Feel free to use any of the images showcased on this website. Please cite both this website (UNC School of Medicine Dermatology Image Library - http://med.unc.edu/dil) and the primary source of the image as references.
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