Does the Schick-Shadel aversion therapy work in the treatment of alcoholism?

I've heard differing things about Schick-Shadel hospitals. Some swear by it, other say that if aversion therapy worked they would have stopped the first time they puked into a toilet seat. AA doesn't have a high success rate but I'm skeptical of anyone or anything that claims a 70% success rate. What's the straight 'dope" on Schick