NAUTIYAL, S.; TIWARI, S.; ASHUTOSH, K. Pathar dye (paraphenyldiamine) poisoning: our experience of this lethal emerging health problem in a tertiary care centre. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 3, n. 4, p. 1056–1059, 2017. DOI: 10.18203/issn.2454-5929.ijohns20174332. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/538. Acesso em: 16 nov. 2025.