@misc{7536,
  author = {T. Chen and R. Knaggs and L. Chen},
  title = {Association between opioid-related deaths and persistent opioid prescribing in primary care in England: a nested case-control study},
  year = {2021},
  journal = {Br J Clin Pharmacol},
  issn = {0306-5251},
  doi = {10.1111/bcp.15028},
}