Amalgam verursacht ALS

http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T5F-4PGPM2B-1&_user=10&_coverDate=12%2F31%2F2007&_rdoc=1&_fmt=summary&_orig=browse&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=e0b689e6dff62bca4ac9ca5034d45f70