@misc{9397,
  author = {T. Hammad and A. Margulis and Y. Ding and M. Strazzeri and H. Epperly},
  title = {Determining the predictive value of Read codes to identify congenital cardiac malformations in the UK Clinical Practice Research Datalink},
  year = {2013},
  journal = {Pharmacoepidemiol Drug Saf},
  volume = {22},
  number = {11},
  pages = {1233-8},
  issn = {1053-8569},
  doi = {10.1002/pds.3511},
}