http://www.medhelp.org/posts/show/482238
Try this, if not I will try again.
This site has well and truly put me off drinking, no cravings and no campral by now.
Maggs809 Go to 'How bad it can get' on this forum. If you can't locate it I will cut and paste.
I'm afraid it talks about blood being sucked out of the body by tube, whether this is always the case I don't know. Hope this helps Nicky