Daraus:
Specifically, this study shows that the efficacy of Ivy extract EA 575 in the treatment of acute bronchitis is non-inferior to that of Thyme/Primrose and superior to that of Ivy/Thyme.
(Ivy extract EA 575 (Prospan® Cough Drops), Ivy/Thyme extract combination (Bronchipret® Drops), or Thyme/Primrose extract combination (Bronchicum® Drops))