GREINER, Ted. Combatting Vitamin A deficiency: overcoming obstacles to optimize the food-based approach. World Nutrition, [S. l.], v. 8, n. 2, p. 151–206, 2017. DOI: 10.26596/wn.201782151-206. Disponível em: https://worldnutritionjournal.org/wn/article/view/152. Acesso em: 10 may. 2026.