A screening program for trisomy 21 at 10–14 weeks using fetal nuchal translucency, maternal serum free β-human chorionic gonadotropin and pregnancy-associated plasma protein-A
Dr K. Spencer, V. Souter, N. Tul, R. Snijders, K. H. NicolaidesVolume:
13
Year:
1999
Language:
english
Pages:
7
DOI:
10.1046/j.1469-0705.1999.13040231.x
File:
PDF, 84 KB
english, 1999