@misc{8440,
  author = {L. McDonald and A. Schultze and R. Carroll and S. Ramagopalan},
  title = {Performing studies using the UK Clinical Practice Research Datalink: to link or not to link?},
  year = {2018},
  journal = {Eur J Epidemiol},
  volume = {33},
  number = {6},
  pages = {601-605},
  issn = {0393-2990},
  doi = {10.1007/s10654-018-0389-5},
}