Mokili, J. L., Wade, C. M., Burns, S. M., Cutting, W. A., Bopopi, J. M., Green, S. D., …Simmonds, P. (1999). Genetic heterogeneity of HIV type 1 subtypes in Kimpese, rural democratic republic of congo. AIDS Research and Human Retroviruses, 15(7), 655-664. https://doi.org/10.1089/088922299310953