Polizzi, C., G. Perricone, V. Duca, A. Carollo, M. Marceca, and V. Fontana. “A Study on Maternal-Fetal Attachment in Pregnant Women Undergoing Fetal Echocardiography”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM), vol. 6, no. 1, Mar. 2017, p. e060137, doi:10.7363/060137.