Severe maternal morbidity and near miss due to postpartum hemorrhage in a national multicenter surveillance study - Rocha Filho, Edilberto A.; Costa, Maria Laura; Cecatti, José Guilherme; Parpinelli, Mary Angela; Haddad, Samira M.; Pacagnella, Rodolfo de Carvalho; Sousa, Maria H.; Melo Júnior, Elias F.; Surita, Fernanda Garanhani de Castro; Souza, João Paulo Dias de; Quintana, Silvana Maria (International Journal of Gynecology & Obstetrics, 2015)