BibTex format
@article{Haugen:2015:10.1097/SLA.0000000000000716,
author = {Haugen, AS and Softeland, E and Almeland, SK and Sevdalis, N and Vonen, B and Eide, GE and Nortvedt, MW and Harthug, S},
doi = {10.1097/SLA.0000000000000716},
journal = {ANNALS OF SURGERY},
pages = {821--828},
title = {Effect of the World Health Organization Checklist on Patient Outcomes <i>A Stepped Wedge Cluster Randomized Controlled Trial</i>},
url = {http://dx.doi.org/10.1097/SLA.0000000000000716},
volume = {261},
year = {2015}
}