1. Hydroxyvitamin D assays: An historical perspective from DEQAS. Issue 177 (March 2018) Authors: Carter, G.D.; Berry, J.; Durazo-Arvizu, R.; Gunter, E.; Jones, G.; Jones, J.; Makin, H.L.J.; Pattni, P.; Sempos, C.T.; Twomey, P.; Williams, E.L.; Wise, S.A. Journal: Journal of steroid biochemistry and molecular biology Issue: Issue 177(2017) Page Start: 30 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗