Collecting accurate data provides the foundation that will enable the health care system to move toward the elimination of disparities, according to this Commonwealth Fund–supported Health Research and Educational Trust Issue Brief. The publication outlines how to collect the data in standardized way and how best to use data to monitor discriminatory practices and to promote quality improvement. C. Hedges Greising, Collecting Race, Ethnicity, and Primary Language Data: Tools to Improve Quality of Care and Reduce Health Care Disparities, Health Research and Educational Trust, 2005