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  Indian J Med Microbiol
 

Figure 1: Preferred Reporting Items for Systematic Reviews and Meta-Analyses flow diagram outlining the search strategy and final included and excluded studies. CENTRAL: Cochrane Central Register of Controlled Trials databases.

Figure 1: Preferred Reporting Items for Systematic Reviews and Meta-Analyses flow diagram outlining the search strategy and final included and excluded studies. CENTRAL: Cochrane Central Register of Controlled Trials databases.