Downtown Baltimore Child Care, 05 Jun 2012 http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0036399 For the researchers among us.
Rochester Baby Lab, 24 May 2012 http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0036399