Portohepatic shunt in a Down syndrome patient with an interchange trisomy 47,XY,-2, + der(2), + der(21)t(2;21)(p13;q22.1)mat - Kieran, M W; Vekemans, M; Robb, L J; Sinsky, A; Outerbridge, E W; Der Kaloustian, V M (Am J Med Genet, 1992)