?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Kruk%2C+Ryan&rft.aulast=Kruk&rft.aufirst=Ryan&rft.degree=Master+Essay&rft.date=22+December+2014&rft.title=The+effects+of+prenatal+tobacco+exposure+on+the+brain&rft.inst=University+of+Pittsburgh