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Results 1 - 1 of 1 for porokeratosis OR ulcer
  1. Stomach ulcer Video 
    ... the acid and enzymes by a mucous lining. Ulcers come about as a result of an imbalance ... can include bleeding. And on rare occasions, an ulcer may completely erode the stomach wall. The bacteria ...
    https://medlineplus.gov/ency/anatomyvideos/000133.htm -