ANHEIER, T. Neural tube defects in Switzerland from 2001 to 2007: Are periconceptual folic acid recommendations being followed?. Swiss Medical Weekly, [S. l.], v. 138, n. 4142, p. 608–613, 2008. DOI: 10.4414/smw.2008.12352. Disponível em: https://smw.ch/index.php/smw/article/view/904. Acesso em: 28 mar. 2024.