RT Journal Article SR Electronic T1 Serum neurofilament light chain in relapsing-remitting MS JF Neurology - Neuroimmunology Neuroinflammation JO Neurol Neuroimmunol Neuroinflamm FD Lippincott Williams & Wilkins SP e421 DO 10.1212/NXI.0000000000000421 VO 5 IS 1 A1 Marrie, Ruth Ann YR 2018 UL http://nn.neurology.org/content/5/1/e421.abstract AB