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Chronic gastritis and gastroduodenal ulcer: a case control study on risk of coexisting duodenal or gastric ulcer in patients with gastritis.
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    Sipponen P, Seppälä K, Aärynen M, et al
    Chronic gastritis and gastroduodenal ulcer: a case control study on risk of coexisting duodenal or gastric ulcer in patients with gastritis.

    Publication history

    • First published July 1, 1989.
    Online issue publication 
    July 01, 1989

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