A. B. Moleri, C. B. Lobo, F. R. Santos, E. J. da Silva, C. V. D. Gouvêa, and L. C. Moreira, “Differential diagnosisof manifestations of syphilis and aids with lichen planusin mouth: case report”, DST, vol. 24, no. 2, pp. 113–117, Jun. 2012.