Al-Fakhar, Mohammed Kasim, Harith Ibrahem, and Zuhair Salim Khamees. 2022. “Buildup Factor Calculation for High Density Poly Ethylene, and High Density Poly Ethylene With Lead”. Journal of Wasit for Science and Medicine 8 (3): 129-36. https://doi.org/10.31185/jwsm.279.