Literature
Now 13 papers are found on PubMed.
http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=search&db=pubmed&term=Willis%20GC%5Bau%5D&dispmax=50
And he wrote several papers on atherosclerosis and vitamin C recently.
Ground Substance (April 21, 2009)
https://sites.google.com/site/virtualclinicofdrgcwillis/home/literature/ground-substance
Cholesterol (April 21, 2009)
https://sites.google.com/site/virtualclinicofdrgcwillis/home/literature/cholesterol
Treatment of Atherosclerosis (May 16, 2009)
https://sites.google.com/site/virtualclinicofdrgcwillis/home/literature/treatment-of-atherosclerosis
Questions Raised by Coarctation of the Aorta (September 12, 2009)