Aliasgari, M., Kaviani, A., Gachkar, L. and Hosseini-Nassab, S. 2009. Is Bladder Cancer More Common among Opium Addicts?. Urology Journal. 1, 4 (Jun. 2009), 253–255. DOI:https://doi.org/10.22037/uj.v1i4.294.