Effectiveness of an Herbal Preparation Containing Echinacea, Propolis, and Vitamin C in Preventing Respiratory Tract Infections in Children: A Randomized, Double-blind, Placebo-Controlled, Multicenter Study

Herman A. Cohen*, Itzchak Varsano, Ernesto Kahan, E. Michael Sarrell, Yosef Uziel

*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

130 Scopus citations

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Pharmacology, Toxicology and Pharmaceutical Science