title: [Localization of obstruction of the airways. Changes in the flow-volume breathing helium with oxygen].
mesh_terms: D006371:Helium; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008176:Lung Volume Measurements; D010100:Oxygen; D012123:Pulmonary Ventilation
chemical_list: D006371:Helium; D010100:Oxygen
vernacular_title: Localización de la obstrucción en vías aéreas. Cambios en la curva flujo-volumen respirando helio con oxígeno.