Network for surveillance of severe maternal morbidity: a powerful national collaboration generation data on maternal health outcomes and care - Cecatti, J. G.; Costa, M. L.; Haddad, S. M.; Parpinelli, M. A.; Souza, João Paulo Dias de; Sousa, M. H.; Surita, F. G.; Pinto e Silva, J. L.; Pacagnella, R. C.; Passini Júnior, R.; Quintana, Silvana Maria (BJOG : an International Journal of Obstetrics and Gynaecology, 2016)