@misc{9897,
  author = {T. van Staa and L. Smeeth and I. Persson and J. Parkinson and H. Leufkens},
  title = {What is the harm-benefit ratio of Cox-2 inhibitors?},
  year = {2008},
  journal = {Int J Epidemiol},
  volume = {37},
  number = {2},
  pages = {405-13},
  issn = {0300-5771},
  doi = {10.1093/ije/dym296},
}