Article from the Journal of International Medical Research (free full text in PDF format)
A combination of high-dose vitamin C plus zinc… [J Int Med Res. 2012] – PubMed – NCBI
Don’t repress your body’s natural defences. Dough & sneeze and take zinc & vitamin c!
http://drjayshealthnews.blogspot.com/2012/01/cold-flu-vitamin-c-and-zinc.html