CD4 is expressed on a heterogeneous subset of hematopoietic progenitors, which persistently harbor CXCR4 and CCR5-tropic HIV proviral genomes in vivo

Nadia T. Sebastian, Thomas D. Zaikos, Valeri Terry, Frances Taschuk, Lucy A. McNamara, Adewunmi Onafuwa-Nuga, Ryan Yucha, Robert A.J. Signer, James Riddell, Dale Bixby, Norman Markowitz, Sean J. Morrison, Kathleen L. Collins