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 Radhakrishnan1 Department of Medicine, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA;2 Department of Medicine, West Virginia University School of Medicine, Morgantown, WV, 26506, USA;3 School of Computer Science, Carnegie-Mellon University, Pittsburgh, PA, 15213, USAView further author information

Stephanie Spencer4 The PPC Group, Los Angeles, CA, 90049, USAView further author information

Naveena Yanamala1 Department of Medicine, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA;2 Department of Medicine, West Virginia University School of Medicine, Morgantown, WV, 26506, USA;3 School of Computer Science, Carnegie-Mellon University, Pittsburgh, PA, 15213, USAView further author information

Sarath Malepati4 The PPC Group, Los Angeles, CA, 90049, USACorrespondence[email protected]
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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

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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

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