312.1: Implementation of Longitudinal Portoplasty for Hypoplasic Portal Veins in Children With Biliary Atresia in a Liver Transplantation Centre in Argentina. (13th September 2022) - Julia Minetto, Maria; Halac, Esteban; Lauferman, Leandro; Dip, Marcelo; Aredes, Diego; Jacobo Dillon, Agustina; Reijenstein, Hayellen; D´Arielli, Florencia; Palmeiro, Miguel; Goñi, Javier; Capparelli, Mauro; Imventarza, Oscar