Estimating the cost for obstetric fistula repair in hospitals of Mozambique: a low-income country oleh Nelmo Jordão Manjate, Janet Dulá Martins, Regina Amado, Armindo Nhanombe, Neide Canana, Laurentino Cumbi, Germano Pires, Elídio Muamine, Maria Isabel Cambe, Ausenda Domingos, Sérgio Chicumbe