HOLICK, Michael F.; BINKLEY, Neil C.; BISCHOFF-FERRARI, Heike A.; GORDON, Catherine M.; HANLEY, David A.; HEANEY, Robert P.; MURAD, M. Hassan. Evaluation, Treatment, and Prevention of Vitamin D Deficiency: an Endocrine Society Clinical Practice Guideline. S. 1911–1930. The Journal of Clinical Endocrinology & Metabolism [online]. 2011-07 [cit. 2020-11-23]. Roč. 96, čís. 7, s. 1911–1930. Dostupné online. DOI10.1210/jc.2011-0385. (anglicky)
HOUGHTON, Lisa A; VIETH, Reinhold. The case against ergocalciferol (vitamin D2) as a vitamin supplement. S. 694–697. The American Journal of Clinical Nutrition [online]. 2006-10-01 [cit. 2020-11-23]. Roč. 84, čís. 4, s. 694–697. Dostupné online. DOI10.1093/ajcn/84.4.694. PMID17023693. (anglicky)
TRANG, H M; COLE, D E; RUBIN, L A; PIERRATOS, A; SIU, S; VIETH, R. Evidence that vitamin D3 increases serum 25-hydroxyvitamin D more efficiently than does vitamin D2. S. 854–858. The American Journal of Clinical Nutrition [online]. 1998-10-01 [cit. 2020-11-23]. Roč. 68, čís. 4, s. 854–858. DOI10.1093/ajcn/68.4.854. (anglicky)
HOLICK, Michael F.; BIANCUZZO, Rachael M.; CHEN, Tai C.; KLEIN, Ellen K.; YOUNG, Azzie; BIBULD, Douglass; REITZ, Richard. Vitamin D2 Is as Effective as Vitamin D3 in Maintaining Circulating Concentrations of 25-Hydroxyvitamin D. S. 677–681. The Journal of Clinical Endocrinology & Metabolism [online]. 2008-03-01 [cit. 2020-11-23]. Roč. 93, čís. 3, s. 677–681. Dostupné online. DOI10.1210/jc.2007-2308. (anglicky)
BIANCUZZO, Rachael M; YOUNG, Azzie; BIBULD, Douglass; CAI, Mona H; WINTER, Michael R; KLEIN, Ellen K; AMERI, Allen. Fortification of orange juice with vitamin D2 or vitamin D3 is as effective as an oral supplement in maintaining vitamin D status in adults. S. 1621–1626. The American Journal of Clinical Nutrition [online]. 2010-06-01 [cit. 2020-11-23]. Roč. 91, čís. 6, s. 1621–1626. Dostupné online. DOI10.3945/ajcn.2009.27972. PMID20427729. (anglicky)
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ncbi.nlm.nih.gov
HOUGHTON, Lisa A; VIETH, Reinhold. The case against ergocalciferol (vitamin D2) as a vitamin supplement. S. 694–697. The American Journal of Clinical Nutrition [online]. 2006-10-01 [cit. 2020-11-23]. Roč. 84, čís. 4, s. 694–697. Dostupné online. DOI10.1093/ajcn/84.4.694. PMID17023693. (anglicky)
BIANCUZZO, Rachael M; YOUNG, Azzie; BIBULD, Douglass; CAI, Mona H; WINTER, Michael R; KLEIN, Ellen K; AMERI, Allen. Fortification of orange juice with vitamin D2 or vitamin D3 is as effective as an oral supplement in maintaining vitamin D status in adults. S. 1621–1626. The American Journal of Clinical Nutrition [online]. 2010-06-01 [cit. 2020-11-23]. Roč. 91, čís. 6, s. 1621–1626. Dostupné online. DOI10.3945/ajcn.2009.27972. PMID20427729. (anglicky)
HOLICK, Michael F.; BINKLEY, Neil C.; BISCHOFF-FERRARI, Heike A.; GORDON, Catherine M.; HANLEY, David A.; HEANEY, Robert P.; MURAD, M. Hassan. Evaluation, Treatment, and Prevention of Vitamin D Deficiency: an Endocrine Society Clinical Practice Guideline. S. 1911–1930. The Journal of Clinical Endocrinology & Metabolism [online]. 2011-07 [cit. 2020-11-23]. Roč. 96, čís. 7, s. 1911–1930. Dostupné online. DOI10.1210/jc.2011-0385. (anglicky)
HOUGHTON, Lisa A; VIETH, Reinhold. The case against ergocalciferol (vitamin D2) as a vitamin supplement. S. 694–697. The American Journal of Clinical Nutrition [online]. 2006-10-01 [cit. 2020-11-23]. Roč. 84, čís. 4, s. 694–697. Dostupné online. DOI10.1093/ajcn/84.4.694. PMID17023693. (anglicky)
HOLICK, Michael F.; BIANCUZZO, Rachael M.; CHEN, Tai C.; KLEIN, Ellen K.; YOUNG, Azzie; BIBULD, Douglass; REITZ, Richard. Vitamin D2 Is as Effective as Vitamin D3 in Maintaining Circulating Concentrations of 25-Hydroxyvitamin D. S. 677–681. The Journal of Clinical Endocrinology & Metabolism [online]. 2008-03-01 [cit. 2020-11-23]. Roč. 93, čís. 3, s. 677–681. Dostupné online. DOI10.1210/jc.2007-2308. (anglicky)
BIANCUZZO, Rachael M; YOUNG, Azzie; BIBULD, Douglass; CAI, Mona H; WINTER, Michael R; KLEIN, Ellen K; AMERI, Allen. Fortification of orange juice with vitamin D2 or vitamin D3 is as effective as an oral supplement in maintaining vitamin D status in adults. S. 1621–1626. The American Journal of Clinical Nutrition [online]. 2010-06-01 [cit. 2020-11-23]. Roč. 91, čís. 6, s. 1621–1626. Dostupné online. DOI10.3945/ajcn.2009.27972. PMID20427729. (anglicky)