@article{12247,
  author = {Enrico Coiera and Sarah Collins and Craig Kuziemsky},
  title = {A unified model of patient safety (or "Who froze my cheese?").},
  year = {2013},
  journal = {BMJ},
  volume = {347},
  pages = {f7273},
  month = {12/2013},
  issn = {1756-1833},
  doi = {10.1136/bmj.f7273},
  language = {eng},
}