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. 2021 May 14;100(19):e25949. doi: 10.1097/MD.0000000000025949

Table 1.

PubMed search strategy.

Number Search terms
#1 Helicobacter pylori [Title/Abstract] OR Campylobacter pylori [Title/Abstract] OR H pylori [Title/Abstract] OR Hp [Title/Abstract]
#2 recurrence [Title/Abstract] OR recurrences [Title/Abstract] OR recrudescence [Title/Abstract] OR recrudescences [Title/Abstract] OR relapse [Title/ Abstract] OR relapses [Title/Abstract] OR recurrent [Title/Abstract] OR recurred [Title/Abstract] OR reinfection [Title/Abstract] OR re-infect∗ [Title/Abstract] OR relapse∗ [Title/Abstract]
#3 #1 and #2