Selection of medical diagnostic codes for analysis of electronic patient records. Application to stroke in a primary care database

by Gulliford, M.C, Charlton, J., Ashworth, M., Rudd, A.G, Toschke, A.M, Delaney, B., Grieve, A., Heuschmann, P.U, Little, P., Redfern, J., van Staa, T., Wolfe, C., Yardley, L., McDermott, L.
Published 2009