absorbance values of anti-mag antibody were higher than 0.2 at 1:80 of serum dilution in sera from some patients with demyelinating diseases of the central or peripheral nervous systems including multiple sclerosis , subacute sclerosing panencephalitis , guillain-barre syndrome , chronic relapsing polyradiculoneuritis and carcinomatous polyneuropathy and also some patients with autoimmune diseases such as collagen diseases and myasthenia gravis .
C0004364
autoimmune diseases
C0026896
myasthenia gravis