title: [Clinical course and prognosis of peptic ulcer].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006801:Humans; D008875:Middle Aged; D010437:Peptic Ulcer; D011379:Prognosis; D012008:Recurrence; D012075:Remission, Spontaneous