@misc{9722,
  author = {J. Green and G. Czanner and G. Reeves and J. Watson and L. Wise and V. Beral},
  title = {Oral bisphosphonates and risk of cancer of oesophagus, stomach, and colorectum: case-control analysis within a UK primary care cohort},
  year = {2010},
  journal = {Bmj},
  volume = {341},
  pages = {c4444},
  issn = {0959-8138},
  doi = {10.1136/bmj.c4444},
}