RT Journal Article SR Electronic T1 The National Early Warning Score 2 (NEWS2) in patients with hypercapnic respiratory failure JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 94 OP 95 DO 10.7861/clinmedicine.19-1-94 VO 19 IS 1 A1 Bryan Williams YR 2019 UL http://www.rcpjournals.org/content/19/1/94.abstract