@incollection{Özkan21,
author = {Sezer Acar and Behzat Özkan},
title = {Vitamin D Metabolism},
booktitle = {Vitamin D},
publisher = {IntechOpen},
address = {Rijeka},
year = {2021},
editor = {Öner Özdemir},
chapter = {1},
doi = {10.5772/intechopen.97180},
url = {https://doi.org/10.5772/intechopen.97180}
}