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APA Citation
Kappos, L., Butzkueven, H., Wiendl, H., Spelman, T., Pellegrini, F., Chen, Y., Dong, Q., Koendgen, H., Belachew, S., Trojano, M., & , (2018). greater sensitivity to multiple sclerosis disability worsening and progression events using a roving versus a fixed reference value in a prospective cohort study. Multiple sclerosis, 24, 963–973. http://access.bl.uk/ark:/81055/vdc_100072081143.0x000009