References
- Shils E. The Academic Ethic: The Report of a Study group on the international Council on the Future of the University. The University of Chicago Press, Chicago 1983
- Dossey L. Reinventing Medicine. Harper Collins Publishers, San Francisco 1999
- Johnston B. A. One-third of nation's adults use herbal remedies. HerbalGram 1997; 40: 49
- Eisenberg D M, Kessler R C, Foster C, Norlock F E, Calkins D R, Delbanco T L. Unconventional medicine in the United States: prevalence, costs, and patterns of use. N Engl J Med 1993; 328: 246–252