Mosaic complete tetrasomy 21 in a fetus with complete atrioventricular septal defect and minor morphological variations oleh Vincent Gatinois, Nicole Bigi, Eve Mousty, Jean Chiesa, Yuri Musizzano, Anouck Schneider, Geneviève Lefort, Lucile Pinson, Jean‐Baptiste Gaillard, Clémence Ragon, Marie‐Josée Perez, Magali Tournaire, Patricia Blanchet, Carole Corsini, Emmanuelle Haquet, Patrick Callier, David Geneviève, Franck Pellestor, Jacques Puechberty