Adverse perinatal outcomes are associated with severe maternal morbidity and mortality: evidence from a national multicentre cross-sectional study - Zanardi, Dulce M.; Parpinelli, Mary Angela; Haddad, Samira M.; Costa, Maria Laura; Sousa, Maria Helena; Leite, Debora F. B.; Cecatti, José Guilherme; Quintana, Silvana Maria (Archives of Gynecology and Obstetrics, 2019)