Folic acid / Latin America / Developing Country / Family Planning / Valproic Acid / Pregnant Women / Congenital malformation / Prospective Study / Pregnancy Outcome / General Population / Pregnant Women / Congenital malformation / Prospective Study / Pregnancy Outcome / General Population
Humans / Female / Animals / Rats / Valproic Acid / Public health systems and services research / Liver Failure / Public health systems and services research / Liver Failure