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APA Citation
Gao, J., Xin, L., Guo, Q., Xu, K., Zhang, G., Yang, Y., Ma, D., & Zhang, L. (2021). twenty-year changes in mortality rates and underlying causes of death in patients with rheumatoid arthritis-associated interstitial lung disease. Scandinavian journal of rheumatology, 50, 360–364. http://access.bl.uk/ark:/81055/vdc_100142226182.0x000047