Anfuso, S., E. Soncini, and P. Bonelli, et al. “Second-Trimester Maternal Serum Alpha-Fetoprotein Elevation and Its Association With Adverse Maternal Fetal Outcome: Ten Years Experience”. Acta Biomedica Atenei Parmensis 78, no. 3 (December 1, 2007): 214–219. Accessed July 27, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/1905.