TY - GEN AU - Rodriguez,A AU - Guamán,G AU - Nelson,D P TI - Vitamin A status of children in five Ecuadorian provinces SN - 0085-4638 PY - 1996///1213 KW - Child, Preschool KW - Ecuador KW - epidemiology KW - Female KW - Humans KW - Infant KW - Male KW - Nutrition Assessment KW - Poverty KW - Prevalence KW - Vitamin A KW - blood KW - Vitamin A Deficiency KW - complications KW - Xerophthalmia KW - etiology N1 - Publication Type: Journal Article ER -