Improved methodology for evaluating nuchal thickness in the second trimester.
Cadkin
Alan V
AV
Pergament
Eugene
E
D004314:Down Syndrome / Q000000981:diagnostic imaging; D005260:Female; D005865:Gestational Age; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging* / Q000196:embryology*; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal / Q000379:methods*