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Roberts C, Horner D, Coleman G, Maitland L, Curl-Roper T, Smith R, Wood E, Mackway-Jones K.Roberts C, et al. Among authors: maitland l.Emerg Med J. 2013 Nov;30(11):968-82. doi: 10.1136/emermed-2013-203134.Emerg Med J. 2013.PMID: 24142947Review.