1. Unconventional medicine in the United States: prevalence, costs and patterns of use;Eisenberg;N Engl J Med,1993
2. Trends in alternative medicine use in the United States, 1990-1997: results of a follow-up national survey;Eisenberg;JAMA,1998
3. Trends in use of complementary and alternative medicine by adults: 1997-2002;Tindle;Altern Ther Health Med,2005
4. Use of complementary and alternative medical therapies among racial and ethnic minority adults: results from the 2002 National Health Interview Survey;Graham;J Natl Med Assoc,2005
5. Ethnic minority use of complementary and alternative medicine (CAM): a national probability survey of CAM utilizers;Mackenzie;Altern Ther Health Med,2003