Gray Matter Atrophy in Parkinson’s Disease and the Parkinsonian Variant of Multiple System Atrophy: A Combined ROI- and Voxel-Based Morphometric Study. Clinics, [S. l.], v. 75, p. e1505, 2020. DOI: 10.6061/clinics/2020/e1505. Disponível em: https://www.revistas.usp.br/clinics/article/view/171207.. Acesso em: 5 may. 2024.