Mohammad Saleh Khaskheli, Abdul Aziz Sahto, Waseem Raja, Aijaz Awan. (2013). Homicidal Kala Pathar/Paraphenylene Diamine Poisoning . Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS), 3(2), 53–55. Retrieved from http://121.52.155.46/index.php/ojs/article/view/120