Short communication: Lack of immune response in rapid progressor morphine-dependent and SIV/SHIV-infected rhesus macaques is correlated with downregulation of TH1 cytokines. - Rivera-Amill V; Kumar R; Noel RJ Jr; Garcia Y; Rodriguez IV; Martinez M; Sariol CA; Kraiselburd E; Iszard M; Mukherji M; Kumar S; Giavedoni LD; et al. (AIDS research and human retroviruses, 2010)