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APA Citation
Yang, Y., Kumar, S., Silverman, E. D., & Levy, D. M. (n.d.). a18: Risk Factors for Symptomatic Avascular Necrosis in Childhood‐Onset Systemic Lupus Erythematous. Arthritis & rheumatology, 66(11), S29. http://access.bl.uk/ark:/81055/vdc_100052795385.0x000008