How accurate is information that patients contribute to their Electronic Health Record? - Wuerdeman, L; Volk, L; Pizziferri, L; Tsurikova, R; Harris, C; Feygin, R; Epstein, M; Meyers, K; Wald, JS; Lansky, D; Bates, DW (AMIA Annual Symposium Proc, 2005)