Correlation between the Friedman Staging System and the upper airway volume in patients with obstructive sleep apnea

Marcos Marques Rodrigues1, Mário Francisco Real Gabrielli2, Evenson Raphael Watanabe3

  • 1Assistant Professor, Otolaryngology Division, Medical School, University of Araraquara-UNIARA, Araraquara, Brazil.

Abstract

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