... Correspondence: rkurlander@mail.cc.nih.govDepartment of Laboratory Medicine, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland, USALi and Kurlander Journal of Translational Medicine ... were obtained using beads coated at ratios of 1:5, and 1 :80 and with commercially available T cell expan-der beads (data not shown). Comparisons of expansionproduced by anti-CD3 at 30 and 300 ... (Figure 2A) and this difference was statistically sig-nificant at days 7, 14, and 21. There was a trend to more rapid expansion of CD8 cells in response to anti-CD3, particularly at days 7 and 14,...