Benedikz John, Stefánsson Magnūs, Guomundsson Jūlíus, Jónasdóttir Aoalbjörg, Fossdal Ragnheiour, Gulcher Jeff, Stefánsson Kāri
Multiple Sclerosis Rehabilitation and Diagnostic Center of the MS Society of Iceland, Reykjavík, Iceland.
Clin Neurol Neurosurg. 2002 Jul;104(3):208-10. doi: 10.1016/s0303-8467(02)00040-9.