%0 Journal Article %B Ann Surg %D 2009 %G eng %N 6 %P 861-5 %R 10.1097/SLA.0b013e3181afe0db %T Communication practices on 4 Harvard surgical services: a surgical safety collaborative. %V 250 %1 https://www.ncbi.nlm.nih.gov/pubmed/19855264 %8 12/2009