title: Assessment of portable oxygen therapy.
authors.forename: J
authors.initials: J
authors.lastname: Escarrabill
authors.forename: R
authors.initials: R
authors.lastname: Estopa
authors.forename: C
authors.initials: C
authors.lastname: Monasterio
authors.forename: F
authors.initials: F
authors.lastname: Manresa
mesh_terms: D000553:Ambulatory Care; D006801:Humans; D000860:Hypoxia / Q000628:therapy*; D010102:Oxygen Inhalation Therapy / Q000379:methods*