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APA Citation
Jiang, Y., Yang, M., Zhang, Y., Liao, Z., Lin, Z., Lv, Q., Qi, J., Wei, Q., Cao, S., & Gu, J. (n.d.). fRI0471 Psychological disorders, sleep disturbance and stressful life events in the patients with ankylosing spondylitis. Annals of the rheumatic diseases, 76, 665. http://access.bl.uk/ark:/81055/vdc_100135155869.0x000062