@misc{indiciaeabb10a92a784, title = {Survival in multiple sclerosis.}, author = {J F Kurtzke and T L Auth and G W Beebe and L T Kurland and B Nagler and M D Nefzger}, year = {1969}, url = {https://pubmed.ncbi.nlm.nih.gov/5374425/}, note = {Source identifier: 5374425} }