Toprak, S., Özağ, M. K., Aksu, M., Yıldırım, A., & Çetin, İlhan. (2008). The changes of opium and opium derivates that were analysed at the council of forensic medicine between 1990 and 2000. Journal of Dependence, 8(3), 138-140. https://jod.akademisyen.net/index.php/jod/article/view/154