@misc{7835,
  author = {P. Rockenschaub and V. Nguyen and R. Aldridge and D. Acosta and J. Garcia-Gomez and C. Saez},
  title = {Data-driven discovery of changes in clinical code usage over time: a case-study on changes in cardiovascular disease recording in two English electronic health records databases (2001-2015)},
  year = {2020},
  journal = {BMJ Open},
  volume = {10},
  number = {2},
  pages = {e034396},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2019-034396},
}