Das B, Chakravarthi S, Goyal MK, Modi M, Vyas S, Lal V, Prabhakar S, Ahuja C.
J Neurol Sci. 2014 Aug 15;343(1-2):215-7. doi: 10.1016/j.jns.2014.05.062. Epub 2014 Jun 5.
PMID:24993469
A historical analysis of the relationship between encephalitis lethargica and postencephalitic parkinsonism: a complex rather than a direct relationship.