00346    a2200121   4500082001600000245004600016260005000062300001900112440004800131650001300179650001800192650001400210  a616.39bGLO  aGlobal prevalence of vitamin A deficiency  aGenevabWorld Health Organizationc1995g1995  aix,116p.c30cm  aMicronutrient deficiency information system  aVitanins  aPublic health  aNutrition