Correction: Systemic Inflammation in Progressive Multiple Sclerosis Involves Follicular T-Helper, Th17- and Activated B-Cells and Correlates with Progression
PLoS One. 2013 Mar 5;8(3):10.1371/annotation/b4e623eb-4950-48d9-8d85-8d70426d95a3.
doi: 10.1371/annotation/b4e623eb-4950-48d9-8d85-8d70426d95a3.
eCollection 2013.