Almeida, A. D. L. de; Silva, C. F. da; Cunha, G. S. da. Knowledge, Attitudes and Behaviours about AIDS in Portuguese Adolescents in Urban and Non-Urban Environment. Rev. Esc. Enferm. USP 2007, 41 (2), 180-186. https://doi.org/10.1590/S0080-62342007000200002.