(2000). A comparison of trends in problematic drug misuse from two reporting systems. J Public Health Med..
(2010). Risk of death during and after opiate substitution treatment in primary care: prospective observational study in UK General Practice Research Database. Bmj. http://doi.org/10.1136/bmj.c5475.
(2016). Uptake of childhood influenza vaccine from 2012-2013 to 2014-2015 in the UK and the implications for high-risk children: a retrospective observational cohort study. BMJ Open. http://doi.org/10.1136/bmjopen-2015-010625.
(2018). The impact of buprenorphine and methadone on mortality: a primary care cohort study in the United Kingdom. Addiction. http://doi.org/10.1111/add.14188.
(2019). Prescription of benzodiazepines, z-drugs, and gabapentinoids and mortality risk in people receiving opioid agonist treatment: Observational study based on the UK Clinical Practice Research Datalink and Office for National Statistics death records. PLoS Med. http://doi.org/10.1371/journal.pmed.1002965.
(2020). Healthcare use by people who use illicit opioids (HUPIO): development of a cohort based on electronic primary care records in England. Wellcome Open Res. http://doi.org/10.12688/wellcomeopenres.16431.1.
(2021). Self-harm and suicide during and after opioid agonist treatment among primary care patients in England: a cohort study. Lancet Psychiatry. http://doi.org/10.1016/s2215-0366(21)00392-8.
(2021). Causes of death among people who used illicit opioids in England, 2001-18: a matched cohort study. Lancet Public Health. http://doi.org/10.1016/s2468-2667(21)00254-1.