http://articles.mercola.com/sites/articles/archive/2008/01/02/sids-part-four.aspx(Sudden Infant Death "Syndrome" ) Lendon H. Smith, MD with Joseph G. Hattersley, MA June 27, 1999 Before World War II, unexplained infant deaths were unusual. But after 1950, the government required treatment of baby and child mattresses withenCommunityServer 2008.5 SP1 (Build: 31106.3070)