and my favorite 'non-med, but 'blood product=IVIG'
http://cat.inist.fr/?aModele=afficheN&cpsidt=15856776
Seems that in RABBITS they can tell that IVIG shows improvement for Axonal Neuropathies...Since docs can't even define PAIN or pain levels and rabbits can't talk...only other thing I can surmise is that they BIOPSY/test constantly to track improvments somehow. Just another case FOR?
another is:
http://www.springerlink.com/content/qny4dtp6ug0m0qc3/
I can't get into the journal article, but the summary is telling....maybe some others here CAN?
Hugs - j