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 Indian J Med Microbiol  
 

Figure 7 :(a,b) Oral and nasal endoscopy analysis: Nasopharyngeal aperture guard appliance exhibiting better airway patency than the other four groups

Figure 7 :(a,b) Oral and nasal endoscopy analysis: Nasopharyngeal aperture guard appliance exhibiting better airway patency than the other four groups