Giovanella Lígia, Vaitsman Jeni, Escorel Sarah, Magalhães Rosana, Costa Nilson Do Rosário
National School of Public Health/Oswaldo Cruz Foundation (ENSP/FIOCRUZ), Rio de Janeiro, Brazil.
Rev Panam Salud Publica. 2002 May-Jun;11(5-6):466-70. doi: 10.1590/s1020-49892002000500026.