For citations:
Egorova N.A., Kochetkova M.G., Savostikova O.N. Certification as an effective element of the information and analytical system of social and hygienic monitoring (literature review, part 2). Hygiene and Sanitation. 2025;104(2):247-252. (In Russ.) https://doi.org/10.47470/0016-9900-2025-104-2-247-252. EDN: mficas
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