(2005). Antidepressant treatment and the risk of fatal and non-fatal self harm in first episode depression: nested case-control study. Bmj. http://doi.org/10.1136/bmj.330.7488.389.
(2006). Bell\textquoterights palsy and parenteral inactivated influenza vaccine. Hum Vaccin..
(2009). Varenicline and suicidal behaviour: a cohort study based on data from the General Practice Research Database. Bmj. http://doi.org/10.1136/bmj.b3805.
(2009). Investigation of the temporal association of Guillain-Barre syndrome with influenza vaccine and influenzalike illness using the United Kingdom General Practice Research Database. Am J Epidemiol. http://doi.org/10.1093/aje/kwn310.
(2010). Oral bisphosphonates and risk of cancer of oesophagus, stomach, and colorectum: case-control analysis within a UK primary care cohort. Bmj. http://doi.org/10.1136/bmj.c4444.
(2012). Menopausal hormone therapy and risk of gastrointestinal cancer: nested case-control study within a prospective cohort, and meta-analysis. Int J Cancer. http://doi.org/10.1002/ijc.26236.
(2018). Real-world effects of medications for chronic obstructive pulmonary disease: protocol for a UK population-based non-interventional cohort study with validation against randomised trial results. BMJ Open. http://doi.org/10.1136/bmjopen-2017-019475.
(2020). Real world effects of COPD medications: a cohort study with validation against RCT results. Eur Respir J. http://doi.org/10.1183/13993003.01586-2020.
(2021). Medications for chronic obstructive pulmonary disease: a historical non-interventional cohort study with validation against RCT results. Health Technol Assess. http://doi.org/10.3310/hta25510.