@misc{9461,
  author = {K. Bhaskaran and H. Forbes and I. Douglas and D. Leon and L. Smeeth},
  title = {Representativeness and optimal use of body mass index (BMI) in the UK Clinical Practice Research Datalink (CPRD)},
  year = {2013},
  journal = {BMJ Open},
  volume = {3},
  number = {9},
  pages = {e003389},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2013-003389},
}