The application value of quantitative susceptibility mapping in evaluating substantia nigra "swallow tail sign" in the diagnosis of Parkinson's disease
GUAN Xiao-jun, XIE Fei, XU Xiao-jun
Chinese Journal of Contemporary Neurology and Neurosurgery . 2018, (4): 247 -251 .  DOI: 10.3969/j.issn.1672-6731.2018.04.004