D. M. Mota, H. de B. M. Beltrão, T. M. Lanzieri, L. C. Vieira, and M. Machado, “ Economic evaluation of rubella and control strategies during an outbreak in Fortaleza (Ceará), Brazil ”, Saúde Soc., vol. 20, no. 3, pp. 691–701, Jan. 2011, doi: 10.1590/S0104-12902011000300014.