@incollection{Zawada19,
author = {Edward T. Zawada},
title = {Introductory Chapter: Overview of Vitamin D Facts and Fads},
booktitle = {Fads and Facts about Vitamin D},
publisher = {IntechOpen},
address = {Rijeka},
year = {2019},
editor = {Edward T. Zawada Jr.},
chapter = {1},
doi = {10.5772/intechopen.86669},
url = {https://doi.org/10.5772/intechopen.86669}
}