West Nile Virus: Case Report with MR Imaging FindingsAJNR 24:1376-1378, Rosas,H. & Wippold,F.J. II, 2003
West Nile Virus Encephalitis Involving the Substantia NigraArch Neurol 60:1448-1452, Bosanko,C.M.,et al, 2003