7Simoni G, et al. Efficient direct chromosome analyses and enzyme determinations from chorionic villi samples in the first trimester of pregnancy[ J] . Hum Genet, 1983,63:349 - 357.
8van den Berg C, Van Opstal D, Brandenberg H, et al. Accuracy of abnormal karyotypes after the analysis of both short and long term culture of chorionic villi [ J ]. Prenat Diagn ,2000,20 ( 12 ) :956 - 969.
10Lebedev IN, et al. Features of chromosomal abnormalities in spontaneous abortiaon cell culture failures detected by interphase FISH analysis[ J]. Eur J Hum Genet,2004,12(7 ) :513 - 520.
