Various Authors, .-.-.-. 2018. Selected Abstracts of the 20th National Congress of the Italian Society of Perinatal Medicine (<em>Società Italiana di Medicina Perinatale</em>, SIMP); Catania (Italy); March 22-24, 2018; Session “Perinatal medicine”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM). 7, 1 (Mar. 2018), e070131. DOI:https://doi.org/10.7363/070131.