@article{article,
title = {Prevention of neural tube defects: prevalence of folic acid supplementation during pregnancy and associated factors in Pelotas, Rio Grande do Sul State, Brazil},
author = {},
year = {2007},
journal = {Cadernos de Saude Publica},
volume = {23},
number = {11},
pages = {2716-2726},
howpublished = "\url{https://eurekamag.com/research/055/169/055169541.php}"
}