Editors' Pick Systemic inflammation in progressive multiple sclerosis involves follicular T-helper, th17- and activated B-cells and correlates with progression. Romme Christensen J, Börnsen L, Ratzer R, Piehl F, Khademi M, Olsson T, Sørensen P S, Sellebjerg F PLoS One. 2013; 8(3):e57820. Epub 2013 Mar 01. PMID: 23469245. Abstract CommentRecommendBookmarkWatch