No abstract available
MeSH terms
-
Chromosome Disorders / diagnosis*
-
Clinical Laboratory Techniques / economics
-
Clinical Laboratory Techniques / standards
-
DNA / blood*
-
Female
-
Fetal Diseases / diagnosis*
-
Fetal Diseases / genetics
-
Humans
-
Pregnancy
-
Prenatal Diagnosis / economics
-
Prenatal Diagnosis / methods*
-
Sensitivity and Specificity
-
Trisomy / genetics*