Efficacy and Mode of Action of an Immunomodulator Herbal Preparation Containing Echinacea, Wild Indigo, and White Cedar

Author(s): Wüstenberg, P., Henneicke-von Zepelin, H. -H. , Köhler, G. , Stammwitz, U.

Journal/Book: advances. 1999; 16(1): 51-70.