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Measurements of CD4+CD31+ cells gave results consistent with those expected for recent thymus emigrant (RTE) CD4+ cells. The method was markedly simpler than established procedures for measurement of CD4+ RTE cells and is usable in locations with limited facilities and budgets.
Financial support: This work was funded by the State of Texas HIV Initiative.
Authors' addresses: Ramia Zakhour, Dat Q. Tran, Gloria P. Heresi, Guenet Degaffe, Cynthia S. Bell, Elizabeth Donnachie, Weihe Zhang, Norma Pérez, Laura J. Benjamins, Gabriela Del Bianco, Gilhen Rodriguez, and James R. Murphy, Department of Pediatrics, University of Texas Medical School, Houston, TX, E-mails: firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, and email@example.com.