Correlation between the upper and lower respiratory tract in childhood.
D000293:Adolescent; D000403:Airway Resistance; D001249:Asthma / Q000503:physiopathology*; D001985:Bronchial Provocation Tests; D002648:Child; D006801:Humans; D009299:Nasal Provocation Tests; D010991:Plethysmography; D012137:Respiratory System / Q000503:physiopathology*