Changing prevalence of Helicobacter pylori infection and peptic ulcer among dyspeptic patients.
Department of Surgical and Medical Sciences, University of Bologna, Bologna, Italy. berardino.vaira@unibo.it.
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D004415:Dyspepsia; D016481:Helicobacter Infections / Q000453:epidemiology*; D016480:Helicobacter pylori; D006801:Humans; D010437:Peptic Ulcer / Q000453:epidemiology; D015995:Prevalence