%0 Journal Article %B Ann Surg %D 2017 %G eng %N 6 %P 923-929 %R 10.1097/SLA.0000000000002249 %T Mortality Trends After a Voluntary Checklist-based Surgical Safety Collaborative. %V 266 %1 https://www.ncbi.nlm.nih.gov/pubmed/29140848 %8 12/2017