title: Sjögren's syndrome: too many associations, too limited evidence. The enigmatic example of CNS involvement.
authors.affiliation: Department of Medicine, Tufts University School of Medicine, Boston, MA, USA.
authors.forename: J P
authors.initials: JP
authors.lastname: Ioannidis
authors.forename: H M
authors.initials: HM
authors.lastname: Moutsopoulos
mesh_terms: D002493:Central Nervous System Diseases / Q000150:complications*; D005260:Female; D006801:Humans; D015995:Prevalence; D011379:Prognosis; D012859:Sjogren's Syndrome / Q000150:complications* / Q000175:diagnosis / Q000453:epidemiology