@article {Shirani2013,
	title = {Interferon beta and long-term disability in multiple sclerosis},
	journal = {JAMA neurology},
	volume = {70},
	number = {5},
	year = {2013},
	pages = {651{\textendash}653},
	publisher = {American Medical Association},
	doi = {10.1001/jamaneurol.2013.2197},
	author = {Shirani, Afsaneh and Zhao, Yinshan and Karim, Mohammad Ehsanul and Evans, Charity and Kingwell, Elaine and van der Kop, Mia L and Oger, Joel and Gustafson, Paul and Petkau, John and Tremlett, Helen}
}
