Brain Peptides(part I & II) NEJM 304:876-885, 944-951., Krieger,D.T.&Martin,J.G., 1981
Acute Transverse Myelopathy in AdultsArch Neurol 28:252, Lipton,H., 1973
M. S. :A ReviewBMJ 2:292, McAlpine,D., 1973