Amy Winehouse and the Perils of Alcohol Withdrawal
http://well.blogs.nytimes.com/2011/08/03/amy-winehouse-and-the-perils-of-alcohol-withdrawal/
Whether or not alcohol withdrawal played a factor in Winehouse's death, this article is very informative.
I think alcohol withdrawal is a bizarre theory, and when tox screen comes in, I'd be really surprised if her death had anything to do with "alcohol withdrawal."