title: The normal peak expiratory flow values in children aged 7--15 years.
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008297:Male; D010366:Peak Expiratory Flow Rate; D012119:Respiration; D013147:Spirometry