@misc{misc3f59f9ae, title = {Predicting the level of spina bifida by three-dimensional ultrasonography: prelimary results}, author = {Ruano, Rodrigo and Bunduki, Victor and Okumura, Maria and Pinto, F. C. G and Matushita, H and Plese, J. P and Zugaib, Marcelo}, year = {2006}, booktitle = {World congress on ultrasound in obstetrics and gynecology} }