Using electronic health records to quantify and stratify the severity of type 2 diabetes in primary care in England: rationale and cohort study design.
Zghebi SS, Rutter MK, Ashcroft DM, Salisbury C, Mallen C, Chew-Graham CA, Reeves D, van Marwijk H, Qureshi N, Weng S, Peek N, Planner C, Nowakowska M, Mamas M, Kontopantelis E. Using electronic health records to quantify and stratify the severity of type 2 diabetes in primary care in England: rationale and cohort study design. BMJ Open. 2018 06 30; 8(6):e020926.