[Echinacea--much ado (meanwhile) about nothing?].
Miron
D
D
Barzilai
A
A
D003139:Common Cold / Q000517:prevention & control; D000529:Complementary Therapies; D020900:Echinacea; D006801:Humans; D008517:Phytotherapy; D028321:Plant Preparations / Q000627:therapeutic use
D028321:Plant Preparations