Ultraviolet B Light Emitting Diodes (LEDs) Are More Efficient and Effective in Producing Vitamin D3 in Human Skin Compared to Natural Sunlight | Scientific Reports
Vitamin D from low-cost UVB lamps | VitaminDWiki
100 YEARS OF VITAMIN D: Dose–response for change in 25-hydroxyvitamin D after UV exposure: outcome of a systematic review in: Endocrine Connections Volume 10 Issue 10 (2021)
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