2 studies found for:    21173411 [PUBMED-IDS]
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Rank Status Study
1 Completed Effects of a Supplement on Acute Respiratory Infections
Condition: Respiratory Tract Infection
Interventions: Dietary Supplement: Omniplus Supreme;   Other: Placebo
2 Unknown  Echinacea Versus Placebo Effect in Common Cold (Physician Echinacea Placebo)
Condition: Common Cold
Interventions: Dietary Supplement: Echinacea;   Other: Blinded placebo

Indicates status has not been verified in more than two years