For citations:
Shtina I.E., Boltacheva A.N., Valina S.L., Ustinova O.Yu. Characteristics of Spirography Indicators in Unvaccinated Schoolchildren with Specific Immunity to SARS-CoV-2. Public Health and Life Environment – PH&LE. 2024;32(2):52-57. (In Russ.) https://doi.org/10.35627/2219-5238/2024-32-2-52-57