Fig. 1
Flowchart of study design. NHIRD, National Health Insurance Research Database; pSS, primary Sjögren syndrome; HCQ, hydroxychloroquine; DM, diabetes mellitus
Fig. 1 | Arthritis Research & Therapy
Flowchart of study design. NHIRD, National Health Insurance Research Database; pSS, primary Sjögren syndrome; HCQ, hydroxychloroquine; DM, diabetes mellitus