title: Helium/oxygen and severe COPD.
authors: Academic Department of Medicine, Castle Hill Hospital, Cottingham, East Yorkshire, UK.
authors: A H
authors: AH
authors: Morice
mesh_terms: D006371:Helium; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D010100:Oxygen; D012121:Respiration, Artificial; D015300:Ventilator Weaning
chemical_list: D006371:Helium; D010100:Oxygen