Branco, V., S. Calretas, A. Simão, J. M. Santos, A. Santos, R. M. Santos, A. Carvalho, C. Reis, E. Almiro, and A. Porto. “Paraquat Poisoning: Experience of an Internal Medicine Department”. Internal Medicine, vol. 8, no. 2, June 2001, pp. 71-75, https://revista.spmi.pt/index.php/rpmi/article/view/1946.