title: [Effect of breathing low density gas on the maximal midexpiratory flow rate in patients with bronchial asthma].
mesh_terms: D000328:Adult; D000336:Aerosols; D001249:Asthma / Q000175:diagnosis / Q000503:physiopathology*; D006371:Helium / Q000008:administration & dosage*; D006801:Humans; D008449:Maximal Expiratory Flow-Volume Curves; D008450:Maximal Midexpiratory Flow Rate; D008875:Middle Aged; D010100:Oxygen / Q000008:administration & dosage*; D012119:Respiration / Q000187:drug effects*
chemical_list: D000336:Aerosols; D006371:Helium; D010100:Oxygen
vernacular_title: Wpływ oddychania gazem o niskiej gestości na objetość przepływu w środku natezonego wydechu w dychawicy oskrzelowej.