PT - JOURNAL ARTICLE AU - Divi Cornec AU - Laurent Chiche TI - Is primary Sjögren's syndrome an orphan disease? A critical appraisal of prevalence studies in Europe AID - 10.1136/annrheumdis-2014-206860 DP - 2015 Mar 01 TA - Annals of the Rheumatic Diseases PG - e25--e25 VI - 74 IP - 3 4099 - http://ard.bmj.com/content/74/3/e25.short 4100 - http://ard.bmj.com/content/74/3/e25.full SO - Ann Rheum Dis2015 Mar 01; 74