[Fetal echography and neural tube defects: morphological diagnosis without clinical certainty].
Beekhuis
J R
JR
Mantingh
A
A
van Loon
A J
AJ
Van Lith
J M
JM
D000649:Amniocentesis; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis / Q000000981:diagnostic imaging*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal