Meuwissen, P. J., Stolp, B., Iannucci, V., Vermeire, J., Naessens, E., Saksela, K., et al. (2012). Identification of a highly conserved valine-glycine-phenylalanine amino acid triplet required for HIV-1 Nef function. Retrovirology, 9(1): 1, pp. 9:34-9:64. Retrieved from http://dx.doi.org/10.1186/1742-4690-9-34.