Fig. 3From: Treatment of progressive multiple sclerosis with high-dose all-trans retinoic acid – no clear evidence of positive disease modifying effectsFrequency of B lymphocytes, plasma cells and NK cells. Frequency of CD19+ B lymphocytes, CD19 + CD38+ plasma cells, CD19 + CD27+ memory B cells and CD56+ NK cells did not significantly differ during treatment of ATRA (Friedman test with Dunn’s post-hoc test p<0.05)Back to article page