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(a) CD4+, CCR6− and CCR6+ cells differed in percentages between the Stable group and the other two groups. Data represent individual values on BAL, mean (center bar) ± SEM (upper and lower bars). If not indicated, p value is not significant. * p < 0.05, ** p < 0.01, *** p < 0.001. Th cells distribution on BAL of Acute Rejection group (b), BOS (c) and Stable patients (d).
