For citations:
Grigoryev Yu.G., Ushakov I.B., Shafirkin A.V. Peculiarities of radiation normalization in the USSR (Russia) and the USA concerning to long-term pilotable space flights. Hygiene and Sanitation. 2017;96(9):861-867. (In Russ.) https://doi.org/10.47470/0016-9900-2017-96-9-861-867