%0 Journal Article %T Comparison of Fetal Cerebellum and Cisterna Magna Length by 2D and 3D Ultrasonography between 18 and 24 Weeks of Pregnancy %A Fernanda Silveira Bello de Barros %A Luiz Clá %A udio de Silva Bussamra %A Edward Araujo Jú %A nior %A Leonardo da Silva Valladã %A o de Freitas %J ISRN Obstetrics and Gynecology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/286141 %U http://dx.doi.org/10.5402/2012/286141