Did a quick google: http://www.google.com/search?hs=k68&...amp;btnG=Search

Several articles, including NYTimes and Time. But then I hit upon this one.... http://www.endurance.net/RideCamp/archives/past/03/30/msg00410.html

Sorry, wish it were better news. Probably a blank on your cat. Vitamin C was just helping it with scurvy <img src="/images/graemlins/wink.gif" alt="" /> I kid, that may have had some effect and the shock may have calmed the swelling/pain a bit.
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Experience is a hard teacher because she gives the test first, the lesson afterwards.