AUTHOR=Hakeem Muhammad K. , Al-Menhali Asma , Elangovan Sampath K. , Shah Iltaf TITLE=A novel LC-MS/MS analysis of vitamin D metabolites in mice serum and hair: impact of diet and light exposure JOURNAL=Frontiers in Endocrinology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1494393 DOI=10.3389/fendo.2025.1494393 ISSN=1664-2392