Response to Request for Information,Development and Adoption of a National Health Information Network, Department of Health and Human Services, Office of the National Coordinator for Health Information Technology, January 18, 2005.

Expert Testimony, National Vaccine Advisory Committee and National Immunization Program, Centers for Disease Control and PreventionInitiative on Immunization Registries, Public Meeting on Resource Issues Related to State and Community-based Immunization Registries, Washington, D.C., May 13, 1998.