@misc{9595,
  author = {L. Azoulay and H. Yin and K. Filion and J. Assayag and A. Majdan and M. Pollak and S. Suissa},
  title = {The use of pioglitazone and the risk of bladder cancer in people with type 2 diabetes: nested case-control study},
  year = {2012},
  journal = {Bmj},
  volume = {344},
  pages = {e3645},
  issn = {0959-8138},
  doi = {10.1136/bmj.e3645},
}