Donati, S., A. Maraschini, S. Dell’Oro, I. Lega, P. D’Aloja, and R. M. M. Working Grou. “The Way to Move Beyond the Numbers: the Lesson Learnt from the Italian Obstetric Surveillance System”. Annali dell’Istituto Superiore Di Sanità, vol. 55, no. 4, Dec. 2019, pp. 363-70, https://annali.iss.it/index.php/anna/article/view/889.