1. The chromosome numbers of man;Tijo;Hereditas,1956
2. Études des chromosomes somatiques de neuf enfants mongoliens;Lejeune;CR Acad Sci (Paris),1959
3. Biochemical and ultrasound screening for chromosomal abnormalities;Norton;Semin Perinatol,1994
4. Antenatal screening for Down syndrome;Wald;Prog Clin Biol Res,1995
5. Rapid detection of chromosome aneuploidies in uncultured amniocytes by using fluorescence in situ hybridization (FISH);Klinger;Am J Hum Genet,1992