TY  - GEN
AU  - Iles,R K
AU  - Butler,S A
AU  - Jacoby,E
TI  - Dimerization of urinary beta-core/hCFbetacf: a cause of poor beta-core assay performance in Down syndrome screening studies
SN  - 0197-3851
PY  - 1999///1109
KW  - Chorionic Gonadotropin, beta Subunit, Human
KW  - urine
KW  - Dimerization
KW  - Down Syndrome
KW  - diagnosis
KW  - Female
KW  - Fetal Diseases
KW  - Humans
KW  - Pregnancy
KW  - Prenatal Diagnosis
KW  - standards
KW  - Sensitivity and Specificity
N1  - Publication Type: Comment; Letter
ER  -