TY  - JOUR 
T1  - Folic acid for the prevention of neural tube defects
JO  - Revista Brasileira de Ginecologia e Obstetrícia
A1  - Fonseca, Eduardo Borges da
A1  - Raskin, Salmo
A1  - Zugaib, Marcelo
SN  - 0100-7203
UL  - 10.1590/S0100-72032013000700001
VL  - 35 
Y1  - 2013
PB  - Brasil 
ER  -