Role of Vitamin A in the Immune System, J. Clin. Med. 2018, 7(9), 258.
Guilin Medical University, China
Retinoids and the Immune System: Immunostimulation by Vitamin A, The Retinoids, 1984, Pages 373-390
The Salk Institute for Biological Studies, USA
Vitamin A and Embryonic Development: An Overview, The Journal of Nutrition, Volume 128, Issue 2, February 1998, Pages 455S–458S.
Michigan State University, USA
Role of Nutrition in Maintaining Normal Eyesight - a Review, International Journal of Medical and Biomedical Studies, 4(3).
JVW University, India
Significance of vitamin A to brain function, behavior and learning, Mol Nutr Food Res. 2010 Apr; 54(4): 489–495.
Oregon Health and Science University, USA
Vitamin A and cognitive processes, Nutrition and Aging, vol. 3, no. 1, pp. 21-31, 2015
University of Bordeaux, France