title: A variable-deadspace device for use with the Engström respirator.
mesh_terms: D001698:Biomedical Engineering; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D008134:Long-Term Care; D008722:Methods; D010313:Partial Pressure; D001261:Pulmonary Atelectasis / Q000517:prevention & control; D012126:Respiratory Dead Space / Q000295:instrumentation; D012131:Respiratory Insufficiency / Q000628:therapy; D012122:Ventilators, Mechanical / Q000295:instrumentation*
chemical_list: D002245:Carbon Dioxide