González, Michael J., Karen J. Schmitz, María I. Matos, Delisabel López, José R. Rodríguez, and José J. Gorrín. 2019. “Folate Supplementation and Neural Tube Defects: A Review of a Public Health Issue”. Puerto Rico Health Sciences Journal 16 (4). https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2165.