1. Unconventional medicine in the United States;Eisenberg;N Engl J Med,1993
2. Contemporary unorthodox treatments in cancer medicine;Cassileth;Ann Intern Med,1984
3. The prevalence of questionable methods of cancer treatment in the United States;Lerner;Cancer,1992
4. Polymorphacy among patients attending an AIDS clinic: Utilization of prescribed, unorthodox and investigational treatments;Greenblatt;J Acquired Immune Defic Syndr,1991
5. The use of medicinal herbs by human immunodeficiency virus-infected patients;Kassler;Arch Intern Med,1991