TY  - JOUR 
T1  - First-trimester Combined Screening Test for Aneuploidies in Brazilian Unselected Pregnancies: Diagnostic Performance of Fetal Medicine Foundation Algorithm
JO  - Revista Brasileira de Ginecologia e Obstetrícia
A1  - Abib, Laila Pinheiro Abi
A1  - Sá, Renato Augusto Moreira de
A1  - Peixoto-Filho, Fernando Maia
SN  - 0100-7203
UL  - 10.1055/s-0038-1666996
VL  - 40 
Y1  - 2018
PB  - Brasil 
ER  -