Association between serum 25-hidroxyvitamin D concentrations and ultraviolet index in Portuguese older adults: a cross-sectional study
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DOI: 10.1186/s12877-017-0644-8
Abstract: BackgroundThe older population is a risk group for hypovitaminosis D. The Ultraviolet Index (UVI) can be an indicator of potential for cutaneous synthesis of vitamin D but physiological and other environmental factors also influence vitamin… read more here.
Keywords: portuguese older; study; association; ultraviolet index ... See more keywords