TY - BOOK AU - McLaren,Donald S. AU - Frigg, Martin. ED - Task Force Sight and Life. TI - Sight and life manual on vitamin A deficiency disorders (VADD) SN - 3906412032 PY - 2001/// CY - Basel PB - Task Force Sight and Life KW - Vitamin A deficiency KW - in infancy and childhood KW - prevention and control KW - Vitamin A KW - Xerophthalmia ER -