1. The Complete German Consensus E Monograph: Therapeutic Guide to Herbal Medicine,1998
2. Personal use of alternative medicine therapies by Health Science Center Faculty;Burg;JAMA,1998
3. Complementary and Alternative Medicine [entire issue];Arch Dermatol,1998
4. Complementary and Alternative Medicine [entire issue];JAMA,1998
5. Trends in alternative medicine. Use in the United States 1990–1997. Results of follow-up of a national survey;Eisenberg;JAMA,1998