title: Is repeat testing needed for Helicobacter pylori?
authors: San Dimas Community Hopsital, Calif, USA.
authors: R D
authors: RD
authors: Zipser
authors: M V
authors: MV
authors: Parikh
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001944:Breath Tests; D004381:Duodenal Ulcer / Q000382:microbiology; D005756:Gastritis / Q000382:microbiology*; D016481:Helicobacter Infections / Q000175:diagnosis*; D016480:Helicobacter pylori; D006801:Humans; D008875:Middle Aged; D011237:Predictive Value of Tests; D017211:Treatment Failure