[Chronic gastritis in peptic ucler in children].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005756:Gastritis / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis* / Q000473:pathology
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