Reddy, P., Pilakka-Kanthikeel, S., Saxena, S., Saiyed, Z., & Nair, M. Interactive Effects of Morphine on HIV Infection: Role in HIV-Associated Neurocognitive Disorder. AIDS Research and Treatment, 2012, 953678. https://doi.org/10.1155/2012/953678 (Original work published 2012)