Fighting Fraud and Waste in Medicare and Medicaid: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Twelfth Congress, First Session, Special Hearing, February 15, 2011, Washington, DC.

The Promise of Human Embryonic Stem Cell Research: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Eleventh Congress, Second Session, Special Hearing, September 16, 2010, Washington, DC.

Pandemic Influenza Preparedness: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, Second Session, Special Hearing, January 31, 2006, Washington, DC., Volume 4

Public Health Response to Swine Flu: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Eleventh Congress, First Session, Special Hearing, April 28, 2009, Washington, DC.

Alternative Pluripotent Stem Cell Therapies Enhancement Act (S. 2754): Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, Second Session, Special Hearing, June 27, 2006, Washington, DC.

Cracks in the System: An Examination of One Tuberculosis Patient's International Public Health Threat : Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Tenth Congress, First Session, Special Hearing, June 6, 2007, Washington, DC., Volume 4

Watch what You Eat: Food Marketing to Kids : Joint Hearing Before the Subcommittee on Departments of Labor, Health and Human Services, Education, and Related Agencies and the Subcommittee on Financial Services and General Government of the Committee on Appropriations, United States Senate, One Hundred Tenth Congress, Second Session, Special Hearing, September 23, 2008, Washington, DC., Volume 4

Pandemic Influenza: Progress Made and Challenges Ahead : Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Tenth Congress, First Session, Special Hearing, January 24, 2007, Washington, DC., Volume 4

Cancer Research: Funding Innovative Research : Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Eleventh Congress, First Session, Special Hearing, July 6, 2009, Philadelphia, PA.

Stem Cells Research, 2005: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, First Session, Special Hearing, October 19, 2005, Washington, DC., Volume 4

Departments of Labor, Health and Human Services, and Education, and Related Agencies Appropriations for Fiscal Year 2017: Hearings Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Fourteenth Congress, Second Session, on H.R. 5920/S. 3040, an Act Making Appropriations for the Departments of Labor, Health and Human Services, and Education, and Related Agencies for the Fiscal Year Ending September 30, 2017, and for Other Purposes

Taking a Toll on Families and the Economy: The Rising Cost of Alzheimer's in America : Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Thirteenth Congress, Second Session : Special Hearing, February 26, 2014, Washington, DC.

Departments of Labor, Health and Human Services, and Education, and Related Agencies Appropriations for Fiscal Year 2014: Hearings Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Thirteenth Congress, First Session on S. 1284, an Act Making Appropriations for the Departments of Labor, Health and Human Services, and Education, and Related Agencies for the Fiscal Year Ending September 30, 2014, and for Other Purposes, Part 7

Departments of Labor, Health and Human Services, and Education, and Related Agencies Appropriations for Fiscal Year 2012: Hearings Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Twelfth Congress, First Session on S. 1599, an Act Making Appropriations for the Departments of Labor, Health and Human Services, and Education, and Related Agencies for the Fiscal Year Ending September 30, 2012, and for Other Purposes

Preserving America's Economic Security: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Twelfth Congress, First Session, Special Hearing, February 5, 2011, Cedar Falls, IA.

The Health Effects of Cell Phone Use: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Eleventh Congress, First Session, Special Hearing, September 14, 2009, Washington, DC.

Biological Threats: Is the Current U.S. Vaccine Production System Prepared? : Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Eleventh Congress, First Session, Special Hearing, August 21, 2009, Pittsburgh, PA.

Autism Research, Treatments, and Interventions: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Eleventh Congress, First Session, Special Hearing, August 5, 2009, Washington, DC.

Departments of Labor, Health and Human Services, Education, and Related Agencies Appropriations for Fiscal Year 2007: Hearings Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, Second Session

Utah Mine Disaster and Preventing Future Tragedies: Hearing Before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Tenth Congress, First Session, Special Hearing, September 5, 2007, Washington, DC., Volume 4