RT Journal Article SR Electronic T1 Questions on the Bidirectional Relationship Between Primary Sjögren Syndrome and Non-Hodgkin Lymphoma JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP jrheum.201352 DO 10.3899/jrheum.201352 A1 Yun-Tzu Liang A1 Pui-Ying Leong A1 James Cheng-Chung Wei YR 2020 UL http://www.jrheum.org/content/early/2020/11/10/jrheum.201352.abstract AB We have read with great interest in the article by Wang, et al on the higher incidence of non-Hodgkin lymphoma (NHL) in patients with primary Sjögren syndrome (pSS) and the higher incidence of pSS in patients with NHL1. Thank you for the discovery of the bilateral relationship between pSS and NHL in this nationwide population-based study1.