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APA Citation
Wang, Z., Joshi, A., Leopold, K., Jackson, S., Christensen, S., Nayfeh, T., Mohammed, K., Creo, A., Tebben, P., & Kumar, S. (2022). association of vitamin D deficiency with COVID‐19 infection severity: Systematic review and meta‐analysis. Clinical endocrinology, 96, 281–287. http://access.bl.uk/ark:/81055/vdc_100180758833.0x000020