autores Adriana Sanudo Ana Sílvia Scavacini Marinonio Bernadette Cunha Waldvogel CARLA GENTILE MATAS Carlos Roberto Veiga Kiffer Daniela Testoni Costa Nobre Mandira Daripa Kawakami Maria Fernanda Branco de Almeida Milton Harumi Miyoshi Monica La Porte Teixeira Paulo Bandiera Paiva Rosa Maria Vieira de Freitas Tulio Konstantyner
palavras-chave Epidemiological studies Respiratory Distress Syndrome factors infant, premature neonatal mortality newborn infant newborn infants preterm infant respiratory distress syndrome