Perhaps a few more references to the MMR case would be helpful -

http://briandeer.com/mmr/lancet-greenhalgh.htm
http://en.wikipedia.org/wiki/Andrew_Wakefield
http://www.timesonline.co.uk/tol/news/uk/article391141.ece
http://www.spiked-online.com/index.php?/site/article/3611/