@misc{7537, author = {T. Chen and R. Knaggs and L. Chen}, title = {Association between opioid-related deaths and prescribed opioid dose and psychotropic medicines in England: a case-crossover study}, year = {2021}, journal = {Br J Anaesth}, issn = {0007-0912}, doi = {10.1016/j.bja.2021.06.049}, }