TY - BOOK ED - International Vitamin A Consultative Group TI - Guidelines for the eradication of vitamin A deficiency and xerophthalmia: a report of the International Vitamin A Consultatative Group (IVACG) PY - 1977///] CY - Washington PB - Nutrition Foundation KW - Vitamin A deficiency KW - Prevention & control KW - Xerophthalmia ER -