Randomized, Double Blind, Placebo-Controlled Study on Long-term Prophylaxis with Echinacea purpurea
M Jawad , R Schoop , A Suter , R Eccles
Reviews on Clinical Pharmacology and Drug Therapy ›› 2012, Vol. 10 ›› Issue (2)
Randomized, Double Blind, Placebo-Controlled Study on Long-term Prophylaxis with Echinacea purpurea
Jawad M., Schoop R., Suter A., Eccles R.
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