Maternal transfers from a free-standing birth centre to a hospital setting in São Paulo, Brazil: 1998-2008 - Schneck, Camilla Alexsandra; Bonadio, Isabel Cristina; Pires, Luciana Gomes; Silva, F. M. B.; Osava, Ruth Hitomi; Koiffman, Márcia Duarte; Riesco, Maria Luiza Gonzalez; Oliveira, Sonia Maria Junqueira Vasconcellos de (Normal Labour and Birth Research Conference, 2009)