@misc{9597,
  author = {A. Dregan and H. Moller and T. Murray-Thomas and M. Gulliford},
  title = {Validity of cancer diagnosis in a primary care database compared with linked cancer registrations in England. Population-based cohort study},
  year = {2012},
  journal = {Cancer Epidemiol},
  volume = {36},
  number = {5},
  pages = {425-9},
  issn = {1877-7821},
  doi = {10.1016/j.canep.2012.05.013},
}