Variations in 25-Hydroxyvitamin D in Countries from the Middle East and Europe: The Roles of UVB Exposure and Diet

by William B. Grant, Hana M. A. Fakhoury, Spyridon N. Karras, Fatme Al Anouti, Harjit P. Bhattoa
Published 2019-09-01

Evidence that Vitamin D Supplementation Could Reduce Risk of Influenza and COVID-19 Infections and Deaths

by William B. Grant, Henry Lahore, Sharon L. McDonnell, Carole A. Baggerly, Christine B. French, Jennifer L. Aliano, Harjit P. Bhattoa
Published 2020-04-01

Analytical Performance Specifications for 25-Hydroxyvitamin D Examinations

by Etienne Cavalier, Callum G. Fraser, Harjit P. Bhattoa, Annemieke C. Heijboer, Konstantinos Makris, Candice Z. Ulmer, Hubert W. Vesper, Samuel Vasikaran, Pierre Lukas, Pierre Delanaye, Anna Carobene, on behalf of the IFCC-IOF Committee for Bone Metabolism
Published 2021-01-01