Evaluation of Sister Chromatid Exchanges and Hypoxanthine guanine phosphoribosyl transferase Gene Mutation Assay in Peripheral Lymphocytes of Workers Exposed to Radiation at Al-Tuwaitha Site: Abdulsahib K. Ali; Amel J. Muttar; Ali H. F.; Abdullah A. K. Haider Y. L. and Khawla A. B. Iraqi J. Vet. Med. 2015;39(2):62-65. doi:10.30539/iraqijvm.v39i2.179