@misc{9700,
  author = {C. Cooper and M. Steinbuch and R. Stevenson and R. Miday and N. Watts},
  title = {The epidemiology of osteonecrosis: findings from the GPRD and THIN databases in the UK},
  year = {2010},
  journal = {Osteoporos Int},
  volume = {21},
  number = {4},
  pages = {569-77},
  issn = {0937-941x},
  doi = {10.1007/s00198-009-1003-1},
}