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Prevalence of Vitamin D levels <50 nmol/L in Irish adult population groups. Adapted from Scully et al., 2020 (https://doi.org/10.3390/nu12092663); Griffin et al., 2020 (https://doi.org/10.1093/gerona/glaa010), Laird et al., 2020b (DOI: 10.3390/nu12123674).
