(2022). Clustering of comorbidities and associated outcomes in people with osteoarthritis - A UK Clinical Practice Research Datalink study. Osteoarthritis Cartilage. http://doi.org/10.1016/j.joca.2021.12.013.
(2022). The risk of all-cause and cause-specific mortality in people prescribed mirtazapine: an active comparator cohort study using electronic health records. Bmc Med, 20, 43. http://doi.org/10.1186/s12916-022-02247-x.
(2004). Risk of extra-oesophageal malignancies and colorectal cancer in Barrett\textquoterights oesophagus and gastro-oesophageal reflux. Scand J Gastroenterol. http://doi.org/10.1080/00365520410004802.
(2013). Predicting risk of emergency admission to hospital using primary care data: derivation and validation of QAdmissions score. BMJ Open. http://doi.org/10.1136/bmjopen-2013-003482.
(2013). Exposure to bisphosphonates and risk of common non-gastrointestinal cancers: series of nested case-control studies using two primary-care databases. Br J Cancer. http://doi.org/10.1038/bjc.2013.383.
(2013). Exposure to bisphosphonates and risk of gastrointestinal cancers: series of nested case-control studies with QResearch and CPRD data. Bmj. http://doi.org/10.1136/bmj.f114.
(2014). The performance of seven QPrediction risk scores in an independent external sample of patients from general practice: a validation study. BMJ Open. http://doi.org/10.1136/bmjopen-2014-005809.
(2014). Exposure to combined oral contraceptives and risk of venous thromboembolism: a protocol for nested case-control studies using the QResearch and the CPRD databases. BMJ Open. http://doi.org/10.1136/bmjopen-2013-004499.
(2015). Use of combined oral contraceptives and risk of venous thromboembolism: nested case-control studies using the QResearch and CPRD databases. Bmj. http://doi.org/10.1136/bmj.h2135.
(2015). Influenza vaccination and risk of stroke: Self-controlled case-series study. Vaccine. http://doi.org/10.1016/j.vaccine.2015.08.013.