Table 3 Silver staining of brain sections from multiple system atrophy (MSA) and Parkinson’s disease (PD) patients. Cerebellum was used for MSA cases 2, 3, 6, 7, brainstem for cases 4, 5 and basal ganglia for case 1. Substantia nigra was used for PD cases 1, 3, 4, 5 and cingulate cortex for case 2