EisenbergD.M.DavisR.B.EttnerS.L.ApplelS.WilkeyS.Van RompayM., & KesslerR.C. (1998). Trends in alternative medicine used in the United States, 1990–1997: Results of a follow-up national survey. JAMA, 280(180), 1569–1575.
2.
EisenbergD.M.KesslerR.C.FosterC.NorlockF.E.CalkinsD.R., & DelbancoT.L. (1993). Unconventional medicine in the United States: Prevalence, costs and patterns of use. The New England Journal of Medicine, 328(4), 252–256.
3.
EngebretsonJ. (1999). Alternative and complementary healing: Implications for nursing. Journal of Professional Nursing, 15(4), 214–223.
4.
HuffordD.J. (1986). Contemporary folk medicine. In GevitzN. (ed.), Other healers. Baltimore: John Hopkins University Press.