%0 Journal Article %B Ann Surg %D 2015 %G eng %N 5 %P 831-838 %R 10.1097/SLA.0000000000000762 %T Escalation of care in surgery: a systematic risk assessment to prevent avoidable harm in hospitalized patients. %V 261 %1 https://www.ncbi.nlm.nih.gov/pubmed/24887972 %8 05/2015