BibTex format
@article{Raffel:2017:10.1371/journal.pmed.1002346,
author = {Raffel, J and Wallace, A and Gveric, D and Reynolds, R and Friede, T and Nicholas, R},
doi = {10.1371/journal.pmed.1002346},
journal = {PLOS Medicine},
title = {Patient-reported outcomes and survival in multiple sclerosis: a 10-year retrospective cohort study using the Multiple Sclerosis Impact Scale-29},
url = {http://dx.doi.org/10.1371/journal.pmed.1002346},
volume = {14},
year = {2017}
}