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Effect of ultraviolet light on mood, depressive disorders and well-being.
Veleva BI, van Bezooijen RL, Chel VGM, Numans ME, Caljouw MAA. Veleva BI, et al. Among authors: chel vgm. Photodermatol Photoimmunol Photomed. 2018 Sep;34(5):288-297. doi: 10.1111/phpp.12396. Epub 2018 Jun 25. Photodermatol Photoimmunol Photomed. 2018. PMID: 29855075 Review.
Vitamin D Supplementation in Older Persons: Guidelines Versus Practice.
Veleva BI, Caljouw MAA, van der Steen JT, Chel VGM, Numans ME. Veleva BI, et al. Among authors: chel vgm. J Am Med Dir Assoc. 2019 May;20(5):639-640. doi: 10.1016/j.jamda.2018.11.001. Epub 2018 Dec 19. J Am Med Dir Assoc. 2019. PMID: 30579918 No abstract available.
Vitamin D supplementation and testosterone concentrations in male human subjects.
Heijboer AC, Oosterwerff M, Schroten NF, Eekhoff EM, Chel VG, de Boer RA, Blankenstein MA, Lips P. Heijboer AC, et al. Among authors: chel vg. Clin Endocrinol (Oxf). 2015 Jul;83(1):105-10. doi: 10.1111/cen.12711. Epub 2015 Feb 10. Clin Endocrinol (Oxf). 2015. PMID: 25557316 Clinical Trial.
The Effect of Ultraviolet B Irradiation Compared with Oral Vitamin D Supplementation on the Well-being of Nursing Home Residents with Dementia: A Randomized Controlled Trial.
Veleva BI, Caljouw MAA, van der Steen JT, Mertens BJA, Chel VGM, Numans ME. Veleva BI, et al. Among authors: chel vgm. Int J Environ Res Public Health. 2020 Mar 5;17(5):1684. doi: 10.3390/ijerph17051684. Int J Environ Res Public Health. 2020. PMID: 32150855 Free PMC article. Clinical Trial.