A. C. P. Brêtas, J. F. Marcolan, A. da S. Rosa, F. S. L. Fernandes, and M. V. Raizer, “Who told you to grow old and live on the streets?”, Rev. Esc. Enferm. USP, vol. 44, no. 2, pp. 476–481, Jun. 2010, doi: 10.1590/S0080-62342010000200033.