@article{Astolfi2002, author = {Astolfi, P. and Ulizzi, L. and Zonta, L. }, title= {Trends in childbearing and stillbirth risk: heterogeneity among Italian regions}, year = {2002}, doi = {10.1353/hub.2002.0015}, journal = {Human Biology }, volume = {74}, number = {2}, pages = {185--196}, }