title: Connective tissue diseases: Refining the classification criteria for primary Sjögren syndrome.
authors.affiliation: Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, P.O. Box 30.001, 9700RB Groningen, Netherlands.
authors.forename: Arjan
authors.initials: A
authors.lastname: Vissink
authors.affiliation: Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, P.O. Box 30.001, 9700RB Groningen, Netherlands.
authors.forename: Hendrika
authors.initials: H
authors.lastname: Bootsma
mesh_terms: D006801:Humans; D012859:Sjogren's Syndrome / Q000145:classification* / Q000175:diagnosis*