Villarreal-Gonzalez, Antonio J Analysis of ocular surface damage and visual impact in patients with primary and secondary Sjögren syndrome. [electronic resource] - Rheumatology international Aug 2020 - 1249-1257 p. digital Publication Type: Journal Article; Observational Study ISSN: 1437-160X Standard No.: 10.1007/s00296-020-04568-7 doi Subjects--Topical Terms: AdultAgedCornea--physiopathologyCross-Sectional StudiesFemaleHumansMaleMiddle AgedRetrospective StudiesSjogren's Syndrome--classification