For citations:
Kalashnikov Yu.S. Hygienic aspects of water use of the population of the upper Don basin. Public Health and Life Environment – PH&LE. 2018;(7):31-34. (In Russ.)
Kalashnikov Yu.S. Hygienic aspects of water use of the population of the upper Don basin. Public Health and Life Environment – PH&LE. 2018;(7):31-34. (In Russ.)