005080000a22001450004500003000900000005001700009100003700026245017900063264004600242300000900288041000800297650001400305650002500319650001800344PH-MaWHO20241108112213.0  aDe-Luca L M, Glover J, Heller J.  aRecent advances in the metabolism and function of vitamin A and their relationship to applied nutrition : a report of the  International Vitamin A Consulative  Group (IVACG).  aNew York : bNutrition Foundation,c1977.  a44p.  aeng  aVitamin A  aVitamin A deficiency  aXerophthalmia