%0 Journal Article %B N Engl J Med %D 2009 %G eng %N 5 %P 491-9 %R 10.1056/NEJMsa0810119 %T A surgical safety checklist to reduce morbidity and mortality in a global population. %V 360 %1 https://www.ncbi.nlm.nih.gov/pubmed/19144931 %8 01/2009