For citations:
Byalovsky Yu.Yu., Kiryushin V.A., Prokhorov N.I., Rakitina I.S., Chudinin N.V. Gas composition of alveolar air and tolerability of personal respiratory protection equipment. Hygiene and Sanitation. 2020;99(1):51-55. (In Russ.) https://doi.org/10.47470/0016-9900-2020-99-1-51-55