Assenza, M., F. Barrios, M. Cornacchione, M. Pellegrini, A. Isidori, and F. Naro. “Critical Role of Phosphodiesterase 2A in Congenital Heart Disease”. Italian Journal of Anatomy and Embryology, vol. 120, no. 1, Sept. 2015, p. 52, https://oajournals.fupress.net/index.php/ijae/article/view/4006.