SELL and rheumatoid arthritis: The frequencies of CD8+CD62L- cells in PBL whole cells of RA patients were lower (5.70 ± 4.60%, p = 0.04) than HC (8.37 ± 3.86%), in contrast, lymphocytes of BDA patients showed higher frequencies of CD8+CD62L- cells (19.28 ± 8.23%, p = 0.02) than those in RA patients (15.56 ± 6.32%) (Figure 2G,N).