Qasim, A.P. et al. 2016. Emerging Trend of Self Harm by Using ‘Kala Pathar’ Hair Dye (Paraphenylene diamine): An Epidemiological Study. Annals of Punjab Medical College. 10, 1 (Apr. 2016), 26–30. DOI:https://doi.org/10.29054/apmc/2016.301.