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By Mayo Clinic staffBlood tests are used to detect the presence of hepatitis A in your body. A sample of blood is taken, usually from a vein in your arm, and sent to a laboratory for testing. Your doctor may also discuss your signs and symptoms as part of making a diagnosis.
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- Milk thistle. National Center for Complementary and Alternative Medicine. http://nccam.nih.gov/health/milkthistle/ataglance.htm. Accessed July 29, 2009.