http://bmj.bmjjournals.com/cgi/content/full/324/7337/598?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&author1=wilson%252C+p&searchid=1049985257389_11761&stored_search=&FIRSTINDEX=0&fdate=1/1/2002&tdate=12/31/2002&resourcetype=1,2,3,4,10

It describes some tools developed for rating the quality of health information available on the internet, as codes of conduct, quality labels, user guidance systems, filters, and quality and accreditation labels.