For citations:
Shchelkanov M.Yu., Leonova G.N., Galkina I.V., Andryukov B.G. At the origins of the natural focality concept. Public Health and Life Environment – PH&LE. 2021;(5):16-25. (In Russ.) https://doi.org/10.35627/2219-5238/2021-338-5-16-25
Shchelkanov M.Yu., Leonova G.N., Galkina I.V., Andryukov B.G. At the origins of the natural focality concept. Public Health and Life Environment – PH&LE. 2021;(5):16-25. (In Russ.) https://doi.org/10.35627/2219-5238/2021-338-5-16-25