title: Negative pressure ventilation in acute hypercapnic chronic obstructive pulmonary disease.
authors.forename: A K
authors.initials: AK
authors.lastname: Simonds
mesh_terms: D000208:Acute Disease; D006801:Humans; D006935:Hypercapnia / Q000628:therapy*; D008173:Lung Diseases, Obstructive / Q000628:therapy*; D012121:Respiration, Artificial / Q000379:methods; D015919:Ventilators, Negative-Pressure