Airway obstructions.
D000368:Aged; D000402:Airway Obstruction / Q000209:etiology*; D004826:Epiglottitis / Q000150:complications*; D005260:Female; D006192:Haemophilus Infections / Q000150:complications*; D006193:Haemophilus influenzae; D006801:Humans; D007827:Laryngitis / Q000150:complications*