Rossi, Cristiana, Clara Gerosa, Pietro Pampaloni, Melania Puddu, Alberto Ravarino, Stefano Angioni, Daniela Fanni, and Gavino Faa. “Placental Calcification Score: A New Semiquantitative Method to Assess Pattern and Grading of Placental Calcifications”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM) 8, no. 2 (July 18, 2019): e080206. Accessed July 17, 2024. https://jpnim.com/index.php/jpnim/article/view/080206.