CD4+ T cells from HIV-1-infected patients recognize wild-type and mutant human immunodeficiency virus-1 protease epitopes - N. G. Muller, N. G.; Alencar, R.; Jamal, L.; Hammer, J.; Sidney, J.; Sette, A.; Brindeiro, Rodrigo de Moraes; Kalil, J.; Cunha-Neto, E.; Moraes, S. L. (Clinical and experimental immunology, 2011)