Lewer, Dan and Cox, Sharon and Hurst, John R and Padmanathan, Prianka and Petersen, Irene and Quint, Jennifer K (2022) Burden and treatment of chronic obstructive pulmonary disease among people using illicit opioids: matched cohort study in England. BMJ Medicine, 1, e000215. doi: 10.1136/bmjmed-2022-000215.

Lewer, Dan and Eastwood, Brian and White, Martin and Brothers, Thomas D and McCusker, Martin and Copeland, Caroline and Farrell, Michael and Petersen, Irene (2021) Fatal opioid overdoses during and shortly after hospital admissions in England: a case-crossover study. PLoS Medicine, 18, (10), e1003759. doi: 10.1371/journal.pmed.1003759.