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Vitamin D supplementation to prevent depression and poor physical function in older adults: Study protocol of the D-Vitaal study, a randomized placebo-controlled clinical trial.
de Koning EJ, van Schoor NM, Penninx BW, Elders PJ, Heijboer AC, Smit JH, Bet PM, van Tulder MW, den Heijer M, van Marwijk HW, Lips P. de Koning EJ, et al. Among authors: den heijer m. BMC Geriatr. 2015 Nov 19;15:151. doi: 10.1186/s12877-015-0148-3. BMC Geriatr. 2015. PMID: 26585952 Free PMC article. Clinical Trial.
Prediction of vitamin D deficiency by simple patient characteristics.
Sohl E, Heymans MW, de Jongh RT, den Heijer M, Visser M, Merlijn T, Lips P, van Schoor NM. Sohl E, et al. Among authors: den heijer m. Am J Clin Nutr. 2014 May;99(5):1089-95. doi: 10.3945/ajcn.113.076430. Epub 2014 Feb 19. Am J Clin Nutr. 2014. PMID: 24552751 Free article.
Effects of daily vitamin D supplementation on respiratory muscle strength and physical performance in vitamin D-deficient COPD patients: a pilot trial.
Rafiq R, Prins HJ, Boersma WG, Daniels JM, den Heijer M, Lips P, de Jongh RT. Rafiq R, et al. Among authors: den heijer m. Int J Chron Obstruct Pulmon Dis. 2017 Aug 28;12:2583-2592. doi: 10.2147/COPD.S132117. eCollection 2017. Int J Chron Obstruct Pulmon Dis. 2017. PMID: 28894361 Free PMC article. Clinical Trial.
Vitamin D supplementation in chronic obstructive pulmonary disease patients with low serum vitamin D: a randomized controlled trial.
Rafiq R, Aleva FE, Schrumpf JA, Daniels JM, Bet PM, Boersma WG, Bresser P, Spanbroek M, Lips P, van den Broek TJ, Keijser BJF, van der Ven AJAM, Hiemstra PS, den Heijer M, de Jongh RT; PRECOVID-study group. Rafiq R, et al. Among authors: den heijer m. Am J Clin Nutr. 2022 Aug 4;116(2):491-499. doi: 10.1093/ajcn/nqac083. Am J Clin Nutr. 2022. PMID: 35383823 Free PMC article. Clinical Trial.
PTH: a new target in arteriosclerosis?
Buizert PJ, van Schoor NM, Simsek S, Lips P, Heijboer AC, den Heijer M, Deeg DJ, Eekhoff EM. Buizert PJ, et al. Among authors: den heijer m. J Clin Endocrinol Metab. 2013 Oct;98(10):E1583-90. doi: 10.1210/jc.2013-1621. Epub 2013 Aug 8. J Clin Endocrinol Metab. 2013. PMID: 23928672
387 results