TY - BOOK AU - Sommer,Alfred ED - World Health Organization TI - Vitamin A deficiency and its consequences: A field guide to detection and control SN - 92-4-1544778-3 PY - 1995/// CY - Geneva PB - World Health Organization KW - Vitamin A deficiency in children KW - Xerophthalmia KW - Eye KW - Diseases N1 - Rev. ed. of: Field guide to the detection and control of xerophthalmia. 2nd ed. 1982; Includes bibliographical references ER -