%0 Journal Article %T The role of substantia nigra sonography in the differentiation of Parkinson¡¯s disease and multiple system atrophy %A Hai-Yan Zhou %A Juan-Juan Du %A Jun Liu %A Pei Huang %A Qian Sun %A Qin Xiao %A Sheng-Di Chen %A Shi-Shuang Cui %A Wei-Wei Zhan %A Ying Wang %A Yu-Yan Tan %A Yun-Yun Hu %J Archive of "Translational Neurodegeneration". %D 2018 %R 10.1186/s40035-018-0121-0 %X Demographic data and substantia nigra echogenicity of patient %K Parkinson¡¯s disease %K Multiple system atrophy %K Atypical parkinsonian disorders %K Transcranial sonography %K Substantia nigra %K Disease duration %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6055347/