Improved screening for fetal chromosome abnormalities.
Williamson
R
R
University of Iowa Hospitals and Clinics, Department of Obstetrics and Gynecology.
D000649:Amniocentesis; D002869:Chromosome Aberrations / Q000097:blood / Q000175:diagnosis* / Q000517:prevention & control; D025063:Chromosome Disorders; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography; D000509:alpha-Fetoproteins / Q000032:analysis
D000509:alpha-Fetoproteins