Vitamin and Mineral Nutrition Information System (VMNIS)

Database on Vitamin A Deficiency

http://www.who.int/vmnis/contact/en/index.html

Vitamin and Mineral Nutrition Information System
Evidence and Programme Guidance Unit
Nutrition for Health and Development
World Health Organization
20, Avenue Appia
CH-1211 Geneva 27
Switzerland

Fax: +41 22 791 41 56
E-mail: nutrition@who.int