Survey of current vitamin D food fortification practices in the United States and Canada
Calvo MS, Whiting SJ. Survey of current vitamin D food fortification practices in the United States and Canada. J Steroid Biochem Mol Biol 2013; 136: 211-3.
Vitamin D: Dietary requirements and food fortification as a means of helping achieve
Jan 28. [Epub ahead of print]
Cashman KD. Vitamin D: Dietary requirements and food fortification as a means of helping achieve. J Steroid Biochem Mol Biol 2015 Jan 28. doi: 10.1016/j.jsbmb.2015.01.023. [Epub ahead of print].
Global vitamin D status and determinants of hypovitaminosis D
Mithal A, Wahl DA, Bonjour JP, et al; IOF Committee of Scientific Advisors (CSA) Nutrition Working Group. Global vitamin D status and determinants of hypovitaminosis D. Osteoporos Int 2009; 20: 1807-20.
Vitamin D concentration and deficiency across different ages and genders
Lippi G, Montagnana M, Meschi T, Borghi L. Vitamin D concentration and deficiency across different ages and genders. Aging Clin Exp Res 2012; 24: 548-51.
Vitamin D deficiency and leisure time activities in the elderly: Are all pastimes the same?
De Rui M, Toffanello ED, Veronese N, et al. Vitamin D deficiency and leisure time activities in the elderly: are all pastimes the same? PLoS One 2014; 9: e94805.
Population ageing and health implication. Thinking time trends in Emilia-Romagna Region
Mazzocchetti A, Caranci N, Addis A. Population ageing and health implication. Thinking time trends in Emilia-Romagna Region. Recenti Prog Med 2014; 105: 191-7.