Prevention of neural tube defects by the fortification of flour with folic acid: a population-based retrospective study in Brazil

OBJECTIVE To determine if the fortification of wheat and maize flours with iron and folic acid - which became mandatory in Brazil from June 2004 - is effective in the prevention of neural tube defects. METHODS Using data from national information systems on births in central, south-eastern and southern Brazil, we determined the prevalence of neural tube… CONTINUE READING

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