1. 25‐Hydroxyvitamin D Threshold for the Effects of Vitamin D Supplements on Bone Density: Secondary Analysis of a Randomized Controlled Trial. (15th June 2018) Authors: Macdonald, Helen M; Reid, Ian R; Gamble, Gregory D; Fraser, William D; Tang, Jonathan C; Wood, Adrian D Journal: Journal of bone and mineral research Issue: Volume 33:Number 8(2018) Page Start: 1464 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗