3Shalev E, Zalel Y, Weiner E, et al. The role of cordocentesis in assessment of mosaicism found in amniotic fluid cell cuhure [ J ]. Acta Obstet Gynecol Scand,1994,73(2) :119 -22.
4Hsu LY, Perlis TE. United States survey on chromosome mosaicism and pseudomosaicism in prenatal diagnosis[ J]. Prenat Diagn,1984,4 Spec :97 - 130.
5Hsu LY,Kaffe S,Jenkins EC ,et al. Proposed guidelines for diagnosis of chromosome mosaicism in amniocytes based on data derived from chromosome mosaicism and pseudomosaicism studies [ J ]. Prenat Diagu,1992,12(7) :555 -73.
6Papavassiliou P, York TP, Gursoy N, et al. The phenotype of persons having mosaicism for trisomy 21/Down syndrome reflects the percentage of trisomic cells present in different tissues[J]. Am J Med Genet A,2009,149A(4) :573 -83.
7Hsu LY, Yu MT, Richkind KE, et al. Incidence and significance of chromosome mosaicism involving an autosomal structural abnormality diagnosed prenataly through amniocentesis : a collaborative study [ J ]. Prenat Diagn, 1996,16 : 1 - 28.