1. Trends in alternative medicine use in the United States, 1990–1997;Eisenberg;JAMA,1998
2. The Landmark Report on Public Perceptions of Alternative Care. Sacramento, CA: Landmark Healthcare, Inc, 1998.
3. Why patients use alternative medicine;Astin;JAMA,1998
4. Unconventional medicine in the United States—prevalence, costs, and patterns of use;Eisenberg;NEJM,1993
5. Integrative medicine;Gaudet;Integr Med,1998