PT - JOURNAL ARTICLE AU - da Rocha, A.J. AU - Maia, A.C. Martins AU - Valério, B.C. Oliveira TI - Corticospinal Tract MR Signal-Intensity Pseudonormalization on Magnetization Transfer Contrast Imaging: A Potential Pitfall in the Interpretation of the Advanced Compromise of Upper Motor Neurons in Amyotrophic Lateral Sclerosis AID - 10.3174/ajnr.A3114 DP - 2012 May 01 TA - American Journal of Neuroradiology PG - E79--E80 VI - 33 IP - 5 4099 - http://www.ajnr.org/content/33/5/E79.short 4100 - http://www.ajnr.org/content/33/5/E79.full SO - Am. J. Neuroradiol.2012 May 01; 33