Echinacea.
Pepping
J
J
Kaiser Permanente, Honolulu, HI, USA.
D000276:Adjuvants, Immunologic / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004347:Drug Interactions; D006801:Humans; D010936:Plant Extracts / Q000276:immunology / Q000627:therapeutic use*; D010946:Plants, Medicinal
D000276:Adjuvants, Immunologic; D010936:Plant Extracts