For citations:
Chupakhin D.A., Orlova V.A., Karpov Yu.A. Reference material certification of chinese cabbage composition for selenium, nitrogen, phosphorus and potassium content. Measurement Standards. Reference Materials. 2016;(3):21-31. (In Russ.) https://doi.org/10.20915/2077-1177-2016-0-3-21-31

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