Is maternal serum total hCG a marker of trisomy 21 in the first trimester of pregnancy?
Kevin Spencer, Esther Berry, Jennifer A. Crossley, David A. Aitken, Kypros H. NicolaidesVolume:
20
Year:
2000
Language:
english
Pages:
7
DOI:
10.1002/(sici)1097-0223(200004)20:43.0.co;2-p
File:
PDF, 89 KB
english, 2000