For citations:
Nosov A.N., Vlasova E.M., Ustinova O.Yu. The influence of age, waist circumference and smoking on the respiratory function indices on the example of employees of a chrome ore mine. Health care of the Russian Federation. 2022;66(3):232-238. (In Russ.) https://doi.org/10.47470/0044-197X-2022-66-3-232-238