aMRC Centre for Environment and Health, School of Public Health, Imperial College London, London, UK bSmall Area Health Statistics Unit, School of Public Health, Imperial College London, London, UK ...

Stroke (broadly defined as cerebrovascular disease) was defined using ICD9 codes 430-38 and ICD10 codes I60-69 and G45. Prescribing data were obtained from ISD for the period January 2002 to June 2011 ...