TY - BOOK ED - WHO/UNICEF/IVACG Task Force ED - International Vitamin A Consultative Group ED - UNICEF ED - World Health Organization TI - Vitamin A supplements: a guide to their use in the treatment and prevention of vitamin A deficiency and xerophthalmia SN - 9241545062 AV - RC627 VIT PY - 1997/// CY - Geneva PB - World Health Organization KW - Vitamin A deficiency KW - Vitamin A KW - Xerophthalmia KW - therapeutic use KW - Vitamin A Deficiency KW - drug therapy N1 - Includes bibliographical references ER -