1. Herbal and alternative medicine.;Nelson;Emerg. Med. Clin. North Am.,2000
2. Kaiser Family Foundation, Prescription Drug Trends, The Henry J. Kaiser Family Foundation, Washington, DC 2006, pp. 1–5.
3. Slone Epidemiology Center, Patterns of Medication Use in the United States, 2004: A Report from the Slone Survey, Slone Epidemiology Center at Boston University, Boston 2004.
4. Trends in alternative medicine use in the United States, 1990–1997: Results of a follow‐up national survey.;Eisenberg;Jama,1998
5. Recent patterns of medication use in the ambulatory adult population of the United States: The Slone survey.;Kaufman;Jama,2002