%0 Journal Article %B J Am Coll Surg %D 2015 %G eng %N 1 %P 1-11.e4 %R 10.1016/j.jamcollsurg.2014.09.021 %T Measuring variation in use of the WHO surgical safety checklist in the operating room: a multicenter prospective cross-sectional study. %V 220 %1 https://www.ncbi.nlm.nih.gov/pubmed/25456785 %8 01/2015