@misc{9579,
  author = {A. Lalmohamed and F. de Vries and M. Bazelier and A. Cooper and T. van Staa and C. Cooper and N. Harvey},
  title = {Risk of fracture after bariatric surgery in the United Kingdom: population based, retrospective cohort study},
  year = {2012},
  journal = {Bmj},
  volume = {345},
  pages = {e5085},
  issn = {0959-8138},
  doi = {10.1136/bmj.e5085},
}