Mr imaging of hallervorden-spatz disease - Magalhães, Álvaro Cebrian de Almeida; Maciel, R. P.; Bacheschi, Luiz Alberto; Mathias, S. C.; Menezes Neto, J R; Magalhães, Álvaro Eduardo de Almeida (Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology, 1994)