title: [Helium flow-volume curve in asthmatic children. Part II. A study on helium flow-volume curve during attacks and during attack-free periods].
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000503:physiopathology*; D002648:Child; D005260:Female; D005540:Forced Expiratory Flow Rates; D005541:Forced Expiratory Volume; D006371:Helium; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D008449:Maximal Expiratory Flow-Volume Curves; D008450:Maximal Midexpiratory Flow Rate; D012141:Respiratory Tract Infections / Q000503:physiopathology
chemical_list: D006371:Helium