Ultrasonographic "soft markers" of fetal chromosomal defects.
Whittle
M
M
D002869:Chromosome Aberrations / Q000000981:diagnostic imaging; D025063:Chromosome Disorders; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal