title: [Echinacin in primary chronic polyarthritis therapy].
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D020900:Echinacea; D006801:Humans; D010936:Plant Extracts / Q000627:therapeutic use*; D010946:Plants, Medicinal
chemical_list: D010936:Plant Extracts; C030210:echinacin
vernacular_title: Echinacin in der Therapie der primär-chronischen Polyarthritis.