For citations:
Vostroknutova E.V., Tabatchikova T.N., Migal P.V., Lebedeva E.L., Sobina E.P., Sobina A.V., Kuznetsova M.F. Primary Reference Procedure for Measuring the Mass Fraction and Molar Concentration of Copper and Zinc in Biological Materials by Isotope Dilution Mass Spectrometry. Measurement Standards. Reference Materials. 2023;19(3):103-127. (In Russ.) https://doi.org/10.20915/2077-1177-2023-19-3-103-127

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