Velasquez-Melendez, G. (1996) “ Relationship between acute diarrhoea and low plasma levels of vitamin A and retinol binding protein ”, Revista do Instituto de Medicina Tropical de São Paulo, 38(5), pp. 365–370. Available at: https://revistas.usp.br/rimtsp/article/view/29402 (Accessed: 19 July 2024).