title: Sources of vitamin D nutrition.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood*; D007194:India / Q000208:ethnology; D008297:Male; D013472:Sunlight; D014454:Uganda / Q000208:ethnology; D006113:United Kingdom; D014807:Vitamin D / Q000378:metabolism; D014808:Vitamin D Deficiency / Q000453:epidemiology*
chemical_list: D006887:Hydroxycholecalciferols; D014807:Vitamin D