Rapidly Progressive Myasthenia Gravis with Pyramidal Tract Damage and Nystagmus:Clinical Analysis of One Case 
WENG Yinhong,DA Yuwei,XU Min,LU Yan,XU Jiali,QIU Zhandong,JIA Yu,ZHAO Hongmei
Chinese General Practice . 2019, (30): 3757 -3761 .  DOI: 10.12114/j.issn.1007-9572.2019.00.115