TY  - GEN
AU  - Okun,Nanette
AU  - Summers,Anne M
AU  - Hoffman,Barry
AU  - Huang,Tianhua
AU  - Winsor,Elizabeth
AU  - Chitayat,David
AU  - Staines,A
AU  - Johnson,Jo-Ann
TI  - Prospective experience with integrated prenatal screening and first trimester combined screening for trisomy 21 in a large Canadian urban center
SN  - 0197-3851
PY  - 2009///0319
KW  - Canada
KW  - epidemiology
KW  - Down Syndrome
KW  - embryology
KW  - Female
KW  - Humans
KW  - Mass Screening
KW  - methods
KW  - Pregnancy
KW  - Pregnancy Trimester, First
KW  - Prenatal Care
KW  - Urban Population
KW  - statistics & numerical data
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1002/pd.2084
ER  -