Segri, N. J., Cesar, C. L. G., Barros, M. B. de A., Alves, M. C. G. P., Carandina, L., & Goldbaum, M. (2010). Health survey: comparison of interviewees according to ownership of a residential telephone line . Revista De Saúde Pública, 44(3), 503-512. https://doi.org/10.1590/S0034-89102010005000012