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Upper Respiratory Tract Infections

Pediatrics In Review, 2015
The upper respiratory system includes the nose, nasal cavity, pharynx, and larynx with subglottic area of trachea. In the normal circumstances, air enters the respiratory system through nostrils where it is filtered, humidified and warmed inside the nasal cavity.
Tekavec Trkanjec, Jasna   +1 more
openaire   +3 more sources

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