Fetal mortality by hospital level in São Paulo city, Brazil - Almeida, Marcia Furquim de; Silva, Zilda Pereira da; Ortiz, Luiz Patrício; Alencar, Gizelton Pereira; Alencar, Airlane Pereira; Minuci, Elaine G; Schoeps, Daniela; Novaes, Maria D (International Stillbirth Conference, 2008)