Articles:
Eisenberg DM, Davis R, Ettner S, et al. Trends in Alternative Medicine Use in the United States, 1990-1997. JAMA. 1998;280(18): pp. 1569-1575.
Eisenberg DM, Kessler RC, Foster C, et al. Unconventional Medicine in the United States. NEJM. 1993;328(4): pp. 246-252.
Books:
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