Pisoni, C., F. Garofoli, I. Baiardini, C. Tzialla, and M. Stronati. “The Development of Parents-Infant Relationship in High-Risk Pregnancies and Preterm Birth”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM), vol. 3, no. 2, Oct. 2014, p. e030233, doi:10.7363/030233.