The impact of vitamin A supplementation on the immnune system of vitamin A-deficient children - Paiva, Adriana de Azevedo; Rondó, Patricia Helen de Carvalho; Vaz-de-Lima, Lourdes Rehder de Andrade; Oliveira, Carmem Aparecida de Freitas; Ueda, Mirthes; Gonçalves-Carvalho, Cecilia; Reinaldo, Luis Gustavo (International Journal for Vitamin and Nutrition Research, 2010)