[Retracted] Extra Dose of Vitamin C Based on a Daily Supplementation Shortens the Common Cold: A Meta-Analysis of 9 Randomized Controlled Trials

<div>Forest plot of the meta-analysis of chest pain.</div>

BioMed Research International

fig7

Figure 7

Figure 7: [Retracted] Extra Dose of Vitamin C Based on a Daily Supplementation Shortens the Common Cold: A Meta-Analysis of 9 Randomized Controlled Trials 

Figure 7 | [Retracted] Extra Dose of Vitamin C Based on a Daily Supplementation Shortens the Common Cold: A Meta-Analysis of 9 Randomized Controlled Trials 