Measurement of 222Rn gas Concentrations and Radon Exhalation Rates in Some Cigarettes Tobacco Samples. Iraqi Journal of Science [Internet]. 2021 Dec. 23 [cited 2024 Jul. 8];62(11):4300-3. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3901