Chromosomal mosaicism for isochromosome 11q confined to CVS direct preparations - Sanz R; Lorda-Sanchez I; Fernández-Moya J; Cifuentes-Sulzberger S; Rodríguez De Alba M; Gonzalez-Gonzalez M; Ibañez M; Robledo M; Ayuso C; Ramos C (Fetal Diagnosis And Therapy, 2001)