@misc{8453,
  author = {S. Merriel and M. May and R. Martin},
  title = {Predicting prostate cancer progression: protocol for a retrospective cohort study to identify prognostic factors for prostate cancer outcomes using routine primary care data},
  year = {2018},
  journal = {BMJ Open},
  volume = {8},
  number = {1},
  pages = {e019409},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2017-019409},
}