Duration of vitamin D synthesis from weather model data for use in prospective epidemiological studies. Edvardsen K, Engelsen O, Brustad M. Int J Biometeorol. 2009 Sep;53(5):451-9. Epub 2009 May 15. PMID: 19444487
Development of a model for optimal food fortification: vitamin D among adults in Finland. Hirvonen T, Sinkko H, Valsta L, Hannila ML, Pietinen P. Eur J Nutr. 2007 Aug;46(5):264-70. Epub 2007 May 18. PMID: 17514377
Edvardsen K, Engelsen O, Brustad M.
Int J Biometeorol. 2009 Sep;53(5):451-9. Epub 2009 May 15.
PMID: 19444487