Harris, M., L.L.F. Scott, L.M. Nguyen, and L.C. Haws. Trends in Elevated Blood Lead Levels of U.S. Children and Associated Demographic Characteristics. Ann Epidemiol. 17:748.
Harris, M., L.L.F. Scott, L.M. Nguyen, and L.C. Haws. Trends in Elevated Blood Lead Levels of U.S. Children and Associated Demographic Characteristics. Ann Epidemiol. 17:748.