AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Eisenberg, D. M. , Kestler, R. C. , Roster, C. , Norlock, F. E. , Calkins, D. R. , Delbanco, T. L. Unconventional medicine in the United States: Prevalence costs, and patterns of use. New England Journal of Medicine, 328(4): 246-252, 1993.