title: Upper airway obstruction during sleep in a child. A polygraphic study.
mesh_terms: D000402:Airway Obstruction / Q000150:complications / Q000503:physiopathology*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D012891:Sleep Apnea Syndromes / Q000150:complications / Q000503:physiopathology*