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  Indian J Med Microbiol
 

Figure 1: From left to right: Left ala of patient's nose showing the nose pin; leaflet-like avulsion of the external polyvinyl chloride coating of flexometallic nasotracheal tube; methylene blue dye leaking out from the chink in the cuff inflation tubing into a bucket of water

Figure 1: From left to right: Left ala of patient's nose showing the nose pin; leaflet-like avulsion of the external polyvinyl chloride coating of flexometallic nasotracheal tube; methylene blue dye leaking out from the chink in the cuff inflation tubing into a bucket of water