bibliography
Immune Deficiency Foundation. www.primaryimmune.org. Accessed April 17, 2007.
Michigan Immunodeficiency Foundation. www.midf.org. Accessed April 17, 2007.
National Institute of Allergy and Infectious Diseases. www.niaid.nih.gov. Accessed April 17, 2007.
National Organization for Rare Disorders. www.rarediseases.org. Accessed April 17, 2007.
National Primary Immunodeficiency Resource Center. . Accessed April 17, 2007.
Natural Standard: The Authority on Integrative Medicine. www.naturalstandard.com. Copyright © 2008. Accessed April 17, 2007.
University of Virginia Health System. Common Variable Immunodeficiency (CVID). www.healthsystem.virginia.edu. Accessed April 17, 2007.