Murinello, A., Bicho, M., Estrela Inácio, R. and Loureiro, M. C. (2001) “Methemoglobinemia”, Internal Medicine. Lisboa, Portugal, 8(4), pp. 210–216. Available at: https://revista.spmi.pt/index.php/rpmi/article/view/2023 (Accessed: 3 April 2025).