Sunil M Shah, Iain M Carey, Tess Harris, Stephen DeWilde, Derek G Cook
Shah S M, Carey I M, Harris T, DeWilde S, Cook D G.
Quality of chronic disease care for older people in care homes and the community in a primary care pay for performance system: retrospective study
BMJ 2011; 342 :d912
doi:10.1136/bmj.d912