A modified freehand ultrasonographically guided technique in transabdominal chorionic villus sampling.
Saura
R
R
Horovitz
J
J
Taine
L
L
Roux
D
D
Hocke
C
C
Maugey
B
B
Vergnaud
A
A
D015193:Chorionic Villi Sampling / Q000379:methods; D005260:Female; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal / Q000379:methods