Prions & Neurodegenerative DiseasesNEJM 317:1571-1581, 15971987., Prusiner,S.B., 1987
Chronic Progressive Panencephalitis due to Rubella Virus Simulating Subacute Sclerosing PanencephalitisNEJM 292:994-998,1023, Weil, M.L.,et al, 1975