@misc{9012,
  author = {C. Crooks and T. Card and J. West},
  title = {The Use of a Bayesian Hierarchy to Develop and Validate a Co-Morbidity Score to Predict Mortality for Linked Primary and Secondary Care Data from the NHS in England},
  year = {2016},
  journal = {PLoS One},
  volume = {11},
  number = {10},
  pages = {e0165507},
  issn = {1932-6203},
  doi = {10.1371/journal.pone.0165507},
}