Barraviera, B., Machado, P. E. de A., & Meira, D. A. (1988). Glutathion reductase activity and its relation with riboflavin levels measured by methemoglobin reduction by cystamine in patients with malaria . Revista Do Instituto De Medicina Tropical De São Paulo, 30(2), 107-108. https://revistas.usp.br/rimtsp/article/view/28571