TY  - GEN
AU  - Micronutrient Deficiency Information System
ED  - World Health Organization. Nutrition Unit.
TI  - Global prevalence of vitamin A deficiency
T2  - (MDIS working paper ; no. 2)
PY  - 1995///
CY  - Geneva : 
PB  - World Health Organization
KW  - Vitamin A deficiency
KW  - Epidemiology
ER  -