@article{doi:,
author = {Manan, F.},
title = {A Comprehensive Review:  The Role of Vitamins in Human Diet I. Vitamin A-Nutrition},
journal = {Med J Islamic World Acad Sci},
volume = {7},
number = {4},
pages = {221-236},
year = {1994},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}