TY - RPRT TI - Comparison of methodologies for calculating quality measures based on administrative data versus clinical data from an electronic health record system: implications for performance measures. AU - Paul C Tang AU - Mary Ralston AU - Michelle Fernandez Arrigotti AU - Lubna Qureshi AU - Justin Graham PY - 2006 DO - 10.1197/jamia.m2198 UR - https://pubmed.ncbi.nlm.nih.gov/17068349/ ID - 17068349 ER -