Authors: Snijders, RJM Platt, LD Greene, N Carlson, D Krakow, D Gregory, K Bradley, K

Citation: Rjm. Snijders et al., Femur length and trisomy 21: impact of gestational age on screening efficiency, ULTRASOUN O, 16(2), 2000, pp. 142-145

Authors: Snijders, RJM Sundberg, K Holzgreve, W Henry, G Nicolaides, KH

Citation: Rjm. Snijders et al., Maternal age- and gestation-specific risk for trisomy 21, ULTRASOUN O, 13(3), 1999, pp. 167-170

Authors: Snijders, RJM Sebire, NJ Nayar, R Souka, A Nicolaides, KH

Citation: Rjm. Snijders et al., Increased nuchal translucency in trisomy 13 fetuses at 10-14 weeks of gestation, AM J MED G, 86(3), 1999, pp. 205-207