Аңдатпа
Based on comparisons of background doses of dental enamel in residents of two cities using the GraphPad Prism program, t-test was done (comparative analysis). Earlier results of collected 20 molars of Semipalatinsk residents showed that the influence of nuclear tests is the main cause of radiation exposure, and 27 molars of residents of Stepnogorsk were exposed to the radioactive effect of a uranium processing plant.