<https://www.celiac.com/forums/topic/82133-how-many-have-dh-really/#comment->
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"What percentage would you say is \"many\"? If you walk into any reputable dermatologist's office and they see watery, itchy blisters covering joint areas, they can dx DH by sight alone. If 20% or so of celiacs have DH, why isn't this forum heaving with \"do I have DH?\" or \"what are these blisters?\" questions? There are some, but not a lot given the site's size/traffic. \n"
<https://www.celiac.com/forums/topic/82133-how-many-have-dh-really/>