Efficacy & Toxicity of Cyclosporine in Chronic Progressive Multiple Sclerosis:A Randomized Clinical Trial
M. S. Study Group, Ann Neurol 27:591-605, 5890., , 1990
Randomised Double Blind Controlled Trial of Cyclosporin in Multiple Sclerosis
JNNP 52:559-565, Rudge,P.,et al, 1989