Treatment of optic neuritis with erythropoietin (TONE): a randomised, double-blind, placebo-controlled trial-study protocol. Diem R, Molnar F, Beisse F, Gross N, Drüschler K, Heinrich SP, Joachimsen L, Rauer S, Pielen A, Sühs K-W, et al. BMJ Open. 2016; 6(3):e010956. PMID: 26932144. Abstract CommentRecommendBookmarkWatch