Le AQ, Taylor J, Dong W, McCloskey R, Woods C, Danroth R, Hayashi K, Milloy MJ, Poon AFY, Brumme ZL Differential evolution of a CXCR4-using HIV-1 strain in CCR5wt/wt and CCR5∆32/∆32 hosts revealed by longitudinal deep sequencing and phylogenetic reconstruction Sci Rep, 2015. PubMed