@incollection{Aljohani16,
author = {Naji J. Aljohani},
title = {Vitamin D Deficiency},
booktitle = {Nutritional Deficiency},
publisher = {IntechOpen},
address = {Rijeka},
year = {2016},
editor = {Pınar Erkekoglu and Belma Kocer-Gumusel},
chapter = {9},
doi = {10.5772/63638},
url = {https://doi.org/10.5772/63638}
}