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Search Strategy for Meta-analysis
| World Health Organization COVID-19 database September 23–December 14. (tw:(proton pump inhibitor∗)) OR (tw:(ppi∗ )) OR (tw:(h2-receptor antagonist∗)) OR (tw:(hypochlorhydria)) OR (tw:(gastric acid)) OR (tw:(gastric ph)) OR (tw:(omeprazole)) OR (tw:(rabeprazole)) OR (tw:(esomeprazole)) OR (tw:(pantoprazole)) OR (tw:(lansoprazole)) OR (tw:(gastrointestinal)) |
