ArticleInfection and drug resistance2023

Evaluating the Efficacy and Safety of EZC Pak, a 5-Day Combination Echinacea-Zinc-Vitamin C Dose Pack with or without Vitamin D, in the Management of Outpatient Upper Respiratory Infections.

Aditya Radhakrishnan et al.PubMed ↗Full text ↗Publisher ↗

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