Ludviksdottir , Dora, Sigridur Th. Valtysdottir, Hans Hedenström, Roger Hällgren, and Björn Gudbjörnsson. 2016. “Eight-Year Follow-up of Airway Hyperresponsiveness in Patients With Primary Sjögren’s Syndrome”. Upsala Journal of Medical Sciences 122 (1):51–55. https://doi.org/10.1080/03009734.2016.1239663.