%0 Journal Article %B Am J Crit Care %D 2009 %G eng %N 2 %P 106-113; quiz 114 %R 10.4037/ajcc2009487 %T Competence and certification of registered nurses and safety of patients in intensive care units. %V 18 %1 https://www.ncbi.nlm.nih.gov/pubmed/19255100 %8 03/2009