%0 Journal Article %B N Engl J Med %D 2014 %G eng %N 4 %P 341-51 %R 10.1056/NEJMsa1300991 %T National trends in patient safety for four common conditions, 2005-2011. %V 370 %1 https://www.ncbi.nlm.nih.gov/pubmed/24450892 %8 01/2014