@misc{7564,
  author = {D. Lewer and T. Brothers and N. Van Hest and M. Hickman and A. Holland and P. Padmanathan and P. Zaninotto},
  title = {Causes of death among people who used illicit opioids in England, 2001-18: a matched cohort study},
  year = {2021},
  journal = {Lancet Public Health},
  doi = {10.1016/s2468-2667(21)00254-1},
}