Efficacy of echinilin for the common cold.
Barton
Richard
R
D002986:Clinical Trials as Topic / Q000379:methods / Q000592:standards*; D003139:Common Cold / Q000188:drug therapy*; D020900:Echinacea / Q000737:chemistry*; D006801:Humans; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry / Q000627:therapeutic use; D015203:Reproducibility of Results
D010936:Plant Extracts