Is vitamin-D supplementation not useful in patients at risk of fractures and falls?

Gynecol Endocrinol. 2019 Aug 7:1-3. doi:10.1080/09513590.2019.1650346.

Aguilar Del Rey J, Jódar Gimeno E, Brañas Baztán F, Gómez Alonso C, González Lama Y, Malouf Sierra J, Borrego RS, Segura de la Morena J, Suárez Pérez JA,Valdés Y Llorca C.