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Gooptu, Bibek and Ward, L. and Ansari, S.O. and Eraut, C.D. and Law, D. and Davison, A.G. (2006) Oxygen alert cards and controlled oxygen: preventing emergency admissions at risk of hypercapnic acidosis receiving high inspired oxygen concentrations in ambulances and A&E departments. Emergency Medicine Journal 23 (8), pp. 636-638. ISSN 1472-0205.