Neurologic Manifestations in Welders with Pallidal MRI T1 HyperintensityNeurol 64:2033-2039,2001, Josephs,K.A.,et al, 2005
Occupational Exposures to Metals as Risk Factors for Parkinson's DiseaseNeurol 48:650-658, Gorell,J.M.,et al, 1997