Vitamin A is an essential nutrient needed in small amounts for normal functioning of the visual system, growth and development, maintenance of epithelial cellular integrity, immune function and reproduction.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/universal-vitamin-supplementation-programme-india-need-re-look
[2] http://admin.indiaenvironmentportal.org.in/category/author/umesh-kapil
[3] http://admin.indiaenvironmentportal.org.in/category/author/h-p-s-sachdev
[4] http://admin.indiaenvironmentportal.org.in/category/journal/national-medical-journal-india
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nutrition
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-policy
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-health
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/blindness
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health