Da Costa, J.B., Domingues, D., Castro, R. and Exposto, F. 2007. Genital ulcers caused by sexually transmitted diseases: current therapies, diagnosis and their relevance in HIV pandemy. Acta Médica Portuguesa. 19, 4 (Jan. 2007), 335–42. DOI:https://doi.org/10.20344/amp.961.