Airway obstruction caused by nasal airway.
Yokoyama
Takeshi
T
Yamashita
Koichi
K
Manabe
Masanobu
M
D000368:Aged; D000402:Airway Obstruction / Q000209:etiology*; D006801:Humans; D007440:Intubation / Q000009:adverse effects*; D008297:Male; D009666:Nose