Sjogren's syndrome combined with hypokalemic periodic paralysis (report of 2 cases with review of literature)
CHENG Xiao-juan, WANG Feng, ZHAO Yu-wu
Chinese Journal of Contemporary Neurology and Neurosurgery . 2012, (2): 171 -174 .  DOI: 10.3969/j.issn.1672-6731.2012.02.016