UNAR, M. A. . Poisoning Of Paraphenylene Diamine - “Kala Pathar”: Black Stone, A Lethal Suicidal Agent: Mini Review. Journal of Gandhara Medical and Dental Science, [S. l.], v. 12, n. 3, p. 68–67, 2025. DOI: 10.37762/jgmds.12-3.716. Disponível em: http://jgmds.org.pk/index.php/JGMDS/article/view/716. Acesso em: 24 sep. 2026.