Gastrointestinal Tract Sonography in Fetuses and Children - Baert, A. L.; Baud, Catherine; Couture, Alain; Knauth, M.; Avni, F.; Baud, C.; Couture, A.; Faure, J. M.; Ferran, F. L.; Ferran, J. L.; Larroque, A.; Saguintaah, Magali; et al. (Springer Berlin Heidelberg, 2008)