Siriwardena, A. N., Asghar, Z., & Coupland, C. C. (2014). Influenza and pneumococcal vaccination and risk of stroke or transient ischaemic attack-matched case control study. Vaccine. http://doi.org/10.1016/j.vaccine.2014.01.029
Asghar, Z., Coupland, C., & Siriwardena, N. (2015). Influenza vaccination and risk of stroke: Self-controlled case-series study. Vaccine. http://doi.org/10.1016/j.vaccine.2015.08.013
