Paraphenylene Diamine (Kala Pathar) Poisoning Cases at Bahawalpur – A Five Years Analysis. Medical Forum Monthly, [S. l.], v. 33, n. 9, 2022. Disponível em: http://medicalforummonthly.com/index.php/mfm/article/view/1054.. Acesso em: 17 apr. 2026.