For citations:
Okhlopkova E.D., Grigorieva A.A., Efremova S.D., Borisova L.I., Sofronova S.I., Romanova A.N. Level of tumor markers in the population of Southern Yakutia consuming untreated and filtered water. Yakut Medical Journal. 2025;(3):20-23. (In Russ.) https://doi.org/10.25789/YMJ.2025.91.04