by Palomaki, G.E. et al.
Women & Infants Hospital/Brown University Providence, Rhode Island 02903, USA
Women & Infants Hospital/Brown University Providence, Rhode Island 02903, USA
Hyperglycosylated-hCG (h-hCG) and Down syndrome screening in the first and second trimesters of pregnancy.
Prenat. Diagn. 2007; 9:808-13