1. Barnes PM, Bloom B, Nahin R. Complementary and alternative medicine use among adults and children: United States, 2007. National Health Statistics Report. 2008;12:1–23.
2. What have reviews of the efficacy and safety of acupuncture told us so far;Birch;Journal of Alternative and Complementary Medicine,2004
3. Acupuncture use in the United States: findings from the National Health Interview Survey;Burke;Journal of Alternative and Complementary Medicine,2006
4. Acupuncture-a critical analysis;Ernst;Journal of Internal Medicine,2006
5. Lao L, Hamilton GR, Fu J, et al. Is acupuncture safe? A systematic review of case reports. Alternative Therapies in Health and Medicine. 2003;9(1):72–83.