The Evolutionary Analysis of Emerging Low Frequency HIV-1 CXCR4 Using Variants through Time-An Ultra-Deep Approach.

Dec, 2010
Archer J, Rambaut A, Taillon BE, Harrigan PR, Lewis M, Robertson DL. (2010) PLoS Computational Biology 6(12): e1001022.
http://www.ncbi.nlm.nih.gov/pubmed/21187908