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   Cindy Flamann et al, 2019, Frontiers in Immunology CrossRef
2. The interfaces between vitamin D, sleep and pain
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3. Vitamin D and rheumatoid arthritis: an ongoing mystery
   Nicola L. Bragazzi et al, 2017, Current Opinion in Rheumatology CrossRef
4. Vitamin D: The unexplored immunomodulator
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5. The Role of Vitamin D in Combination Treatment for Patients With Rheumatoid Arthritis
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6. Exploring the Evidence for an Immunomodulatory Role of Vitamin D in Juvenile and Adult Rheumatic Disease
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7. Immunologic Effects of Vitamin D on Human Health and Disease
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8. Effects of 25-Hydroxyvitamin D on Bone Mineral Density and Disease Activity in Patients With Rheumatoid Arthritis
   Swan Sim Yeap, 2019, Bioactive Food as Dietary Interventions for Arthritis and Related Inflammatory Diseases CrossRef
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10. Extraskeletal actions of vitamin D
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11. Efficacy of Oral Vitamin Supplementation in Inflammatory Rheumatic Disorders: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
    Yann Nguyen et al, 2020, Nutrients CrossRef
12. Impact of season on the association between vitamin D levels at diagnosis and one-year remission in early Rheumatoid Arthritis
    M. Herly et al, 2020, Scientific Reports CrossRef
13. Involvement of the secosteroid vitamin D in autoimmune rheumatic diseases and COVID-19
    Maurizio Cutolo et al, 2023, Nature Reviews Rheumatology CrossRef
14. Factors associated with decreasing serum 25(OH)D among Japanese patients with rheumatoid arthritis: Results from the IORRA cohort study
    Masanori Nakayama et al, 2019, Modern Rheumatology CrossRef
15. Vitamin D supplementation and disease activity in patients with immune-mediated rheumatic diseases
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16. Vitamin D and Rheumatic Diseases: A Review of Clinical Evidence
    Nipith Charoenngam, 2021, International Journal of Molecular Sciences CrossRef