@misc{8672,
  author = {S. Weir and M. Samnaliev and T. Kuo and Ni Choitir and T. Tierney and D. Cumming and J. Bruce and A. Manca and R. Taylor and S. Eldabe},
  title = {The incidence and healthcare costs of persistent postoperative pain following lumbar spine surgery in the UK: a cohort study using the Clinical Practice Research Datalink (CPRD) and Hospital Episode Statistics (HES)},
  year = {2017},
  journal = {BMJ Open},
  volume = {7},
  number = {9},
  pages = {e017585},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2017-017585},
}