1. Complementary and alternative medicine use among adults: United States, 2002;Barnes;Adv Data,2004
2. Complementary and alternative medicine use among American women: Findings from The National Health Interview Survey, 2002;Upchurch;J Womens Health (Larchmt),2007
3. Acupuncture use in the United States: Findings from the National Health Interview survey;Burke;J Altern Complement Med,2006
4. Patients seeking care from acupuncture practitioners in the UK: A national survey;MacPherson;Complement Ther Med,2006
5. 5.HigginsJPT, GreenS, eds. Cochrane Handbook for Systematic Reviews of Interventions 4.2.6 (updated September 2006) In: The Cochrane Library, Issue 4, Chichester, England: John Wiley & Sons, 2006.