Gifford, R. J., de Oliveira, T., Rambaut, A., Pybus, O. G., Dunn, D., Vandamme, A., . . . Pillay, D. (2007). Phylogenetic Surveillance of Viral Genetic Diversity and the Evolving Molecular Epidemiology of Human Immunodeficiency Virus Type 1. American Society for Microbiology (ASM).

Gifford, Robert J., Tulio de Oliveira, Andrew Rambaut, Oliver G. Pybus, David Dunn, Anne-Mieke Vandamme, Paul Kellam, ja Deenan Pillay. Phylogenetic Surveillance of Viral Genetic Diversity and the Evolving Molecular Epidemiology of Human Immunodeficiency Virus Type 1. American Society for Microbiology (ASM), 2007.

Gifford, Robert J., et al. Phylogenetic Surveillance of Viral Genetic Diversity and the Evolving Molecular Epidemiology of Human Immunodeficiency Virus Type 1. American Society for Microbiology (ASM), 2007.