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日焼けで、紫外線による皮膚でのビタミンD産生が低下している、という話し。 https://t.co/FmYTOX860H
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Prevalence of vitamin D deficiency during the summer and its relationship with sun exposure and skin phototype in男性 https://t.co/7rGcGyLtPe
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Prevalence of vitamin D deficiency during the summer and its relationship with sun exposure and skin phototype... http://t.co/4CdIcRhmDY
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Prevalence of vitamin D deficiency during the summer and its relationship with sun exposure and skin phototype... http://t.co/FfsdiDCXAx