Out-of-hospital characteristics and care of patients with severe sepsis: a cohort study.
Seymour CW, Band RA, Cooke CR, Mikkelsen ME, Hylton J, Rea TD, Goss CH, Gaieski DF. Out-of-hospital characteristics and care of patients with severe sepsis: a cohort study. J Crit Care. 2010 Dec; 25(4):553-62.