Kahr Vanessa, Barrett Nicholas A, Shankar-Hari Manu, Slack Hannah, Preston Rebecca L, Fhogartaigh Caoimhe Nic, Edgeworth Jonathan, Beale Richard
Department of Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK.
Lancet. 2010 Feb 6;375(9713):524. doi: 10.1016/S0140-6736(09)61875-4.