Bernal, Luz Mery, and Greizy López. “Diagnóstico Pré-Natal: Retrospectiva”. NOVA Biomedical Sciences Journal 12, no. 21 (June 15, 2014): 23–36. Accessed June 10, 2026. https://hemeroteca.unad.edu.co/index.php/nova/article/view/1838.