Proton Magnetic Resonance Spectroscopy in Parkinson's Disease and Progressive Supranuclear Palsy
JNNP 62:239-242, Federico,F.,et al, 1997
Different of Multi Syst Atrophy from Idiopathic Parkinson's Disease Using Proton MR Spectroscopy
Ann Neurol 37:204-210, Davie,C.A.,et al, 1995