@misc{9302,
  author = {J. Hippisley-Cox and C. Coupland and P. Brindle},
  title = {The performance of seven QPrediction risk scores in an independent external sample of patients from general practice: a validation study},
  year = {2014},
  journal = {BMJ Open},
  volume = {4},
  number = {8},
  pages = {e005809},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2014-005809},
}