Noel RJ, Toro-Bahamonde A, Marrero-Otero Z, Orsini S, Verma AS, Kumar R, Kumar A. Lack of Correlation between SIV-Nef Evolution and Rapid Disease Progression in Morphine-Dependent Nonhuman Primate Model of AIDS. AIDS Research and Human Retroviruses. 2006 Aug;22(8):817–23. doi: 10.1089/aid.2006.22.817.