TY  - GEN
AU  - Gocze,P M
AU  - Arany,A
AU  - Freeman,D A
TI  - Prenatal screening for Down's syndrome
SN  - 0028-4793
PY  - 1993///0106
KW  - Biomarkers
KW  - analysis
KW  - Chorionic Gonadotropin
KW  - Down Syndrome
KW  - diagnosis
KW  - Female
KW  - Humans
KW  - Maternal Age
KW  - Pregnancy
KW  - Pregnancy-Specific beta 1-Glycoproteins
KW  - Prenatal Diagnosis
KW  - methods
KW  - Ultrasonography, Prenatal
KW  - alpha-Fetoproteins
N1  - Publication Type: Comment; Letter
UR  - https://doi.org/10.1056/NEJM199212313272712
ER  -