R. T. I. Bernal, D. C. Malta, T. S. de Araujo, and N. N. da Silva, “Telephone survey: post-stratification adjustments to compensate non-coverage bias in city of Rio Branco, Northern Brazil”, Rev. saúde pública, vol. 47, no. 2, pp. 316–325, Jun. 2013, doi: 10.1590/rsp.v47i2.76635.