(1999). Should the corticosteroid to bronchodilator ratio be promoted as a quality prescribing marker?. Public Health. http://doi.org/10.1038/sj.ph.1900583.
(1999). Switching between metered dose inhalers (MDIs) and dry powder inhalers (DPIs) in airways disease: An analysis of agespecific rates using the general practice research database. Journal of Applied Therapeutic Research..
(2000). A comparison of trends in problematic drug misuse from two reporting systems. J Public Health Med..
(2000). Ratio of inhaled corticosteroid to bronchodilator treatment and asthma hospitalisation. Curr Med Res Opin..
(2001). Trends in antibiotic prescribing and associated indications in primary care from 1993 to 1997. J Public Health Med..
(2003). Head lice diagnosed in general practice in the West Midlands between 1993 and 2000: a survey using the General Practice Research Database. Commun Dis Public Health..
(2010). Determining patient characteristics for decision analysis support systems using anonymized electronic patient records. Health Informatics J. http://doi.org/10.1177/1460458209353559.
(2013). Incidence of psychoses among drug dependent patients in primary care with no psychiatric history: a retrospective observational matched-cohort study. The European Journal of Psychiatry..
(2014). Effect of anxiolytic and hypnotic drug prescriptions on mortality hazards: retrospective cohort study. Bmj. http://doi.org/10.1136/bmj.g1996.