1. Chebotarev A.G., Prokhorov V.A. Modern working conditions and occupational morbidity of metallurgists. Med. truda i prom. ekol. 2012; (6): 1-7 (in Russian).
2. Roslaya N.A., Likhacheva E.I., Oransky I.E., Odinokaya V.A., Plotko E.G., Zhovtyak E.P. et al. Clinical and pathogenetic features of chronic occupational toxicity with fl uorine compounds in modern conditions. Med. truda i prom. ekol. 2012; (11): 17-22 (in Russian).
3. Cicek E., Aydin G., Akdogan M. Effects of chronic ingestion of sodium fluoride on myocardium in a second generation of rats. Hum. Exp. Toxicol. 2005; 24(2): 79-87.
4. Hewavithana P.B., Jayawardhane W.M., Gamage R., Goonaratna C. Skeletal fluorosis in Vavuniya District: an observational study. Ceylon Med. J. 2018; 63(3): 139-42.
5. Obukhova T.Yu., Budkar L.N., Shmonina O.G., Ovchinnikova E.E., Talankina A.A., Kudrina K.S. The impact of cardiovascular and metabolic disease at the time of development of occupational chronic fluoride intoxication in workers of aluminium production. Ural’skiy meditsinskiy zhurnal. 2018; (10): 66-71 (in Russian).