Soares, V. Y. R.; Lúcio Filho, C. E. P.; Carvalho, L. I. M. de; Silva, A. M. M. de M. e; Eulálio, K. D. Clinical and Epidemiological Analysis of Patients With HIV AIDS Admitted to a Reference Hospital in the Northeast Region of Brazil . Rev. Inst. Med. Trop. São Paulo 2008, 50 (6), 327-332.