Efficacy of daily 800 IU vitamin D supplementation in reaching vitamin D sufficiency in nursing home residents: cross-sectional patient file study

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@inproceedings{Veleva2014EfficacyOD, title={Efficacy of daily 800 IU vitamin D supplementation in reaching vitamin D sufficiency in nursing home residents: cross-sectional patient file study}, author={Bistra I Veleva and Victor G M Chel and Wilco P. Achterberg}, booktitle={BMC geriatrics}, year={2014} }