https://isom.ca/profile/frederick-klenner/
Clinical Guide to the Use of Vitamin C http://vitaminc.co.nz/pdf/CLINICAL-GUIDE-TO-THE-USE-OF-VITAM...
Other papers published by Dr. Klenner. https://www.mv.helsinki.fi/home/hemila/klenner.htm
A single case report is an interesting starting point but in the hierarchy of evidence [0] it is the lowest or doesn't even make the scale.
[0] https://en.wikipedia.org/wiki/Hierarchy_of_evidence
https://isom.ca/profile/frederick-klenner/
Clinical Guide to the Use of Vitamin C http://vitaminc.co.nz/pdf/CLINICAL-GUIDE-TO-THE-USE-OF-VITAM...
Other papers published by Dr. Klenner. https://www.mv.helsinki.fi/home/hemila/klenner.htm