Nobre, V.; Braga, E.; Rayes, A.; Serufo, J. C.; Godoy, P.; Nunes, N.; Antunes, C. M.; Lambertucci, J. R. Opportunistic Infections in Patients With Aids Admitted to an University Hospital of the Southeast of Brazil . Rev. Inst. Med. Trop. São Paulo 2003, 45 (2), 69-74.