Rossi, Cristiana, Clara Gerosa, Pietro Pampaloni, Melania Puddu, Alberto Ravarino, Stefano Angioni, Daniela Fanni, and Gavino Faa. 2019. “Placental Calcification Score: A New Semiquantitative Method to Assess Pattern and Grading of Placental Calcifications”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM) 8 (2). Quartu Sant’Elena (CA, Italy):e080206. https://doi.org/10.7363/080206.