RT Journal Article SR Electronic T1 Primary versus Secondary Sjögren Syndrome: Is It Time To Reconsider These Terms? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 665 OP 666 DO 10.3899/jrheum.180392 VO 46 IS 7 A1 CLIO P. MAVRAGANI A1 HARALAMPOS M. MOUTSOPOULOS YR 2019 UL http://www.jrheum.org/content/46/7/665.abstract AB