The History of Polio - Image Gallery / PolioParadox-cov -
PolioParadox-cov.jpg
Autoritative book on Post-Polio Syndrome: Dr. Richard L. Bruno, The Polio Paradox: What You Need to Know (New York: Warner Books, 2002)
(The Polio Paradox - http://www.postpolioinfo.com/PostPolio/Index.htm)