Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BARBARA A. UNDERWOOD,Vitamin A in Animal and Human Nutrition,The Retinoids,,Elsevier,1984,,,281-392,https://cir.nii.ac.jp/crid/1361137043762121728,https://doi.org/10.1016/b978-0-12-658101-0.50012-3