@article { ISI:000320131700021,
	title = {Interferon beta and long-term disability in multiple sclerosis},
	journal = {JAMA Neurology},
	volume = {70},
	number = {5},
	year = {2013},
	pages = {651-652},
	publisher = {AMER MEDICAL ASSOC},
	type = {Letter},
	address = {515 N STATE ST, CHICAGO, IL 60654-0946 USA},
	doi = {doi:10.1001/jamaneurol.2013.2197},
	author = {Shirani, A and Zhao, Y and Karim, ME and Evans, C and Kingwell, E and van der Kop, ML and Oger, J and Gustafson, P and Petkau, J and Tremlett, H}
}
