title: [Studies of helium flow-volume curves in asthmatic children. Part 1. The relationship between the site of airway obstruction in exercise-induced asthma and the inhibitory effect of an alpha-adrenoreceptor blocking agent].
mesh_terms: D000293:Adolescent; D000317:Adrenergic alpha-Antagonists / Q000627:therapeutic use*; D000367:Age Factors; D001249:Asthma / Q000503:physiopathology*; D001250:Asthma, Exercise-Induced / Q000503:physiopathology*; D002648:Child; D004781:Environmental Exposure; D005260:Female; D006371:Helium; D006801:Humans; D008297:Male; D008452:Maximum Allowable Concentration
chemical_list: D000317:Adrenergic alpha-Antagonists; D006371:Helium