For citations:

Gricai P.M., Mironovskaya A.V., Unguryanu T.N. The Influence of Natural Sources on Radiation Exposure Levels in the Population of the Arkhangelsk Region. Public Health and Life Environment – PH&LE. 2020;(6):35-39. (In Russ.) https://doi.org/10.35627/2219-5238/2020-327-6-35-39